68675880

素因数分解:

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

素因数の和:384

約数の個数: 256

約数和(自身を含む): 267724800

約数和(自身を除く): 199048920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 331, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 662, 665, 728, 741, 760, 780, 798, 840, 910, 988, 993, 1064, 1092, 1140, 1235, 1324, 1330, 1365, 1482, 1560, 1596, 1655, 1729, 1820, 1976, 1986, 1995, 2184, 2280, 2317, 2470, 2648, 2660, 2730, 2964, 3192, 3310, 3458, 3640, 3705, 3972, 3990, 4303, 4634, 4940, 4965, 5187, 5320, 5460, 5928, 6289, 6620, 6916, 6951, 7410, 7944, 7980, 8606, 8645, 9268, 9880, 9930, 10374, 10920, 11585, 12578, 12909, 13240, 13832, 13902, 14820, 15960, 17212, 17290, 18536, 18867, 19860, 20748, 21515, 23170, 25156, 25818, 25935, 27804, 29640, 30121, 31445, 34424, 34580, 34755, 37734, 39720, 41496, 43030, 44023, 46340, 50312, 51636, 51870, 55608, 60242, 62890, 64545, 69160, 69510, 75468, 81757, 86060, 88046, 90363, 92680, 94335, 103272, 103740, 120484, 125780, 129090, 132069, 139020, 150605, 150936, 163514, 172120, 176092, 180726, 188670, 207480, 220115, 240968, 245271, 251560, 258180, 264138, 278040, 301210, 327028, 352184, 361452, 377340, 408785, 440230, 451815, 490542, 516360, 528276, 572299, 602420, 654056, 660345, 722904, 754680, 817570, 880460, 903630, 981084, 1056552, 1144598, 1204840, 1226355, 1320690, 1635140, 1716897, 1760920, 1807260, 1962168, 2289196, 2452710, 2641380, 2861495, 3270280, 3433794, 3614520, 4578392, 4905420, 5282760, 5722990, 6867588, 8584485, 9810840, 11445980, 13735176, 17168970, 22891960, 34337940, 68675880]

約数ペア:

[(1, 68675880), (2, 34337940), (3, 22891960), (4, 17168970), (5, 13735176), (6, 11445980), (7, 9810840), (8, 8584485), (10, 6867588), (12, 5722990), (13, 5282760), (14, 4905420), (15, 4578392), (19, 3614520), (20, 3433794), (21, 3270280), (24, 2861495), (26, 2641380), (28, 2452710), (30, 2289196), (35, 1962168), (38, 1807260), (39, 1760920), (40, 1716897), (42, 1635140), (52, 1320690), (56, 1226355), (57, 1204840), (60, 1144598), (65, 1056552), (70, 981084), (76, 903630), (78, 880460), (84, 817570), (91, 754680), (95, 722904), (104, 660345), (105, 654056), (114, 602420), (120, 572299), (130, 528276), (133, 516360), (140, 490542), (152, 451815), (156, 440230), (168, 408785), (182, 377340), (190, 361452), (195, 352184), (210, 327028), (228, 301210), (247, 278040), (260, 264138), (266, 258180), (273, 251560), (280, 245271), (285, 240968), (312, 220115), (331, 207480), (364, 188670), (380, 180726), (390, 176092), (399, 172120), (420, 163514), (455, 150936), (456, 150605), (494, 139020), (520, 132069), (532, 129090), (546, 125780), (570, 120484), (662, 103740), (665, 103272), (728, 94335), (741, 92680), (760, 90363), (780, 88046), (798, 86060), (840, 81757), (910, 75468), (988, 69510), (993, 69160), (1064, 64545), (1092, 62890), (1140, 60242), (1235, 55608), (1324, 51870), (1330, 51636), (1365, 50312), (1482, 46340), (1560, 44023), (1596, 43030), (1655, 41496), (1729, 39720), (1820, 37734), (1976, 34755), (1986, 34580), (1995, 34424), (2184, 31445), (2280, 30121), (2317, 29640), (2470, 27804), (2648, 25935), (2660, 25818), (2730, 25156), (2964, 23170), (3192, 21515), (3310, 20748), (3458, 19860), (3640, 18867), (3705, 18536), (3972, 17290), (3990, 17212), (4303, 15960), (4634, 14820), (4940, 13902), (4965, 13832), (5187, 13240), (5320, 12909), (5460, 12578), (5928, 11585), (6289, 10920), (6620, 10374), (6916, 9930), (6951, 9880), (7410, 9268), (7944, 8645), (7980, 8606)]