721096740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 432

約数和(自身を含む): 2893101120

約数和(自身を除く): 2172004380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 49, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 98, 105, 114, 117, 126, 130, 133, 140, 147, 156, 171, 180, 182, 190, 195, 196, 210, 228, 234, 245, 247, 252, 260, 266, 273, 285, 294, 315, 331, 342, 364, 380, 390, 399, 420, 441, 455, 468, 490, 494, 532, 546, 570, 585, 588, 630, 637, 662, 665, 684, 735, 741, 780, 798, 819, 855, 882, 910, 931, 980, 988, 993, 1092, 1140, 1170, 1197, 1235, 1260, 1274, 1324, 1330, 1365, 1470, 1482, 1596, 1638, 1655, 1710, 1729, 1764, 1820, 1862, 1911, 1986, 1995, 2205, 2223, 2317, 2340, 2394, 2470, 2548, 2660, 2730, 2793, 2940, 2964, 2979, 3185, 3276, 3310, 3420, 3458, 3705, 3724, 3822, 3972, 3990, 4095, 4303, 4410, 4446, 4634, 4655, 4788, 4940, 4965, 5187, 5460, 5586, 5733, 5958, 5985, 6289, 6370, 6620, 6916, 6951, 7410, 7644, 7980, 8190, 8379, 8606, 8645, 8820, 8892, 9268, 9310, 9555, 9930, 10374, 11115, 11172, 11466, 11585, 11916, 11970, 12103, 12578, 12740, 12909, 13902, 13965, 14820, 14895, 15561, 16219, 16380, 16758, 17212, 17290, 18620, 18867, 19110, 19860, 20748, 20853, 21515, 22230, 22932, 23170, 23940, 24206, 25156, 25818, 25935, 27804, 27930, 28665, 29790, 30121, 31122, 31445, 32438, 33516, 34580, 34755, 36309, 37734, 38220, 38727, 41706, 41895, 43030, 44023, 44460, 46340, 48412, 48657, 51636, 51870, 55860, 56601, 57330, 59580, 60242, 60515, 62244, 62890, 64545, 64876, 69510, 72618, 75468, 77454, 77805, 81095, 81757, 83412, 83790, 86060, 88046, 90363, 94335, 97314, 103740, 104265, 108927, 113202, 114660, 120484, 121030, 125780, 129090, 132069, 139020, 145236, 145971, 150605, 154908, 155610, 162190, 163514, 167580, 176092, 180726, 181545, 188670, 193635, 194628, 208530, 210847, 217854, 220115, 226404, 242060, 243285, 245271, 258180, 264138, 271089, 283005, 291942, 301210, 308161, 311220, 324380, 327028, 361452, 363090, 377340, 387270, 396207, 408785, 417060, 421694, 435708, 440230, 451815, 486570, 490542, 528276, 542178, 544635, 566010, 572299, 583884, 602420, 616322, 632541, 660345, 726180, 729855, 735813, 774540, 792414, 817570, 843388, 880460, 903630, 924483, 973140, 981084, 1054235, 1084356, 1089270, 1132020, 1144598, 1226355, 1232644, 1265082, 1320690, 1355445, 1459710, 1471626, 1540805, 1584828, 1635140, 1716897, 1807260, 1848966, 1897623, 1981035, 2108470, 2178540, 2289196, 2452710, 2530164, 2641380, 2710890, 2773449, 2861495, 2919420, 2943252, 3081610, 3162705, 3433794, 3679065, 3697932, 3795246, 3962070, 4006093, 4216940, 4622415, 4905420, 5150691, 5421780, 5546898, 5722990, 6163220, 6325410, 6867588, 7358130, 7590492, 7924140, 8012186, 8584485, 9244830, 9488115, 10301382, 11093796, 11445980, 12018279, 12650820, 13867245, 14716260, 16024372, 17168970, 18489660, 18976230, 20030465, 20602764, 24036558, 25753455, 27734490, 34337940, 36054837, 37952460, 40060930, 48073116, 51506910, 55468980, 60091395, 72109674, 80121860, 103013820, 120182790, 144219348, 180274185, 240365580, 360548370, 721096740]

約数ペア:

[(1, 721096740), (2, 360548370), (3, 240365580), (4, 180274185), (5, 144219348), (6, 120182790), (7, 103013820), (9, 80121860), (10, 72109674), (12, 60091395), (13, 55468980), (14, 51506910), (15, 48073116), (18, 40060930), (19, 37952460), (20, 36054837), (21, 34337940), (26, 27734490), (28, 25753455), (30, 24036558), (35, 20602764), (36, 20030465), (38, 18976230), (39, 18489660), (42, 17168970), (45, 16024372), (49, 14716260), (52, 13867245), (57, 12650820), (60, 12018279), (63, 11445980), (65, 11093796), (70, 10301382), (76, 9488115), (78, 9244830), (84, 8584485), (90, 8012186), (91, 7924140), (95, 7590492), (98, 7358130), (105, 6867588), (114, 6325410), (117, 6163220), (126, 5722990), (130, 5546898), (133, 5421780), (140, 5150691), (147, 4905420), (156, 4622415), (171, 4216940), (180, 4006093), (182, 3962070), (190, 3795246), (195, 3697932), (196, 3679065), (210, 3433794), (228, 3162705), (234, 3081610), (245, 2943252), (247, 2919420), (252, 2861495), (260, 2773449), (266, 2710890), (273, 2641380), (285, 2530164), (294, 2452710), (315, 2289196), (331, 2178540), (342, 2108470), (364, 1981035), (380, 1897623), (390, 1848966), (399, 1807260), (420, 1716897), (441, 1635140), (455, 1584828), (468, 1540805), (490, 1471626), (494, 1459710), (532, 1355445), (546, 1320690), (570, 1265082), (585, 1232644), (588, 1226355), (630, 1144598), (637, 1132020), (662, 1089270), (665, 1084356), (684, 1054235), (735, 981084), (741, 973140), (780, 924483), (798, 903630), (819, 880460), (855, 843388), (882, 817570), (910, 792414), (931, 774540), (980, 735813), (988, 729855), (993, 726180), (1092, 660345), (1140, 632541), (1170, 616322), (1197, 602420), (1235, 583884), (1260, 572299), (1274, 566010), (1324, 544635), (1330, 542178), (1365, 528276), (1470, 490542), (1482, 486570), (1596, 451815), (1638, 440230), (1655, 435708), (1710, 421694), (1729, 417060), (1764, 408785), (1820, 396207), (1862, 387270), (1911, 377340), (1986, 363090), (1995, 361452), (2205, 327028), (2223, 324380), (2317, 311220), (2340, 308161), (2394, 301210), (2470, 291942), (2548, 283005), (2660, 271089), (2730, 264138), (2793, 258180), (2940, 245271), (2964, 243285), (2979, 242060), (3185, 226404), (3276, 220115), (3310, 217854), (3420, 210847), (3458, 208530), (3705, 194628), (3724, 193635), (3822, 188670), (3972, 181545), (3990, 180726), (4095, 176092), (4303, 167580), (4410, 163514), (4446, 162190), (4634, 155610), (4655, 154908), (4788, 150605), (4940, 145971), (4965, 145236), (5187, 139020), (5460, 132069), (5586, 129090), (5733, 125780), (5958, 121030), (5985, 120484), (6289, 114660), (6370, 113202), (6620, 108927), (6916, 104265), (6951, 103740), (7410, 97314), (7644, 94335), (7980, 90363), (8190, 88046), (8379, 86060), (8606, 83790), (8645, 83412), (8820, 81757), (8892, 81095), (9268, 77805), (9310, 77454), (9555, 75468), (9930, 72618), (10374, 69510), (11115, 64876), (11172, 64545), (11466, 62890), (11585, 62244), (11916, 60515), (11970, 60242), (12103, 59580), (12578, 57330), (12740, 56601), (12909, 55860), (13902, 51870), (13965, 51636), (14820, 48657), (14895, 48412), (15561, 46340), (16219, 44460), (16380, 44023), (16758, 43030), (17212, 41895), (17290, 41706), (18620, 38727), (18867, 38220), (19110, 37734), (19860, 36309), (20748, 34755), (20853, 34580), (21515, 33516), (22230, 32438), (22932, 31445), (23170, 31122), (23940, 30121), (24206, 29790), (25156, 28665), (25818, 27930), (25935, 27804)]