261345420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 384

約数和(自身を含む): 1016064000

約数和(自身を除く): 754718580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 49, 51, 54, 60, 63, 68, 70, 83, 84, 85, 90, 98, 102, 105, 108, 119, 126, 135, 140, 147, 153, 166, 170, 180, 189, 196, 204, 210, 238, 245, 249, 252, 255, 270, 294, 306, 315, 332, 340, 343, 357, 378, 415, 420, 441, 459, 476, 490, 498, 510, 540, 581, 588, 595, 612, 630, 686, 714, 735, 747, 756, 765, 830, 833, 882, 918, 945, 980, 996, 1020, 1029, 1071, 1162, 1190, 1245, 1260, 1323, 1372, 1411, 1428, 1470, 1494, 1530, 1660, 1666, 1715, 1743, 1764, 1785, 1836, 1890, 2058, 2142, 2205, 2241, 2295, 2324, 2380, 2490, 2499, 2646, 2822, 2905, 2940, 2988, 3060, 3087, 3213, 3332, 3430, 3486, 3570, 3735, 3780, 4067, 4116, 4165, 4233, 4284, 4410, 4482, 4590, 4980, 4998, 5145, 5229, 5292, 5355, 5644, 5810, 5831, 6174, 6426, 6615, 6860, 6972, 7055, 7140, 7470, 7497, 8134, 8330, 8466, 8715, 8820, 8964, 9180, 9261, 9877, 9996, 10290, 10458, 10710, 11205, 11620, 11662, 12201, 12348, 12495, 12699, 12852, 13230, 14110, 14940, 14994, 15435, 15687, 16065, 16268, 16660, 16932, 17430, 17493, 18522, 19754, 20335, 20580, 20916, 21165, 21420, 22410, 22491, 23324, 24402, 24990, 25398, 26145, 26460, 28220, 28469, 29155, 29631, 29988, 30870, 31374, 32130, 34860, 34986, 36603, 37044, 37485, 38097, 39508, 40670, 42330, 44820, 44982, 46305, 48804, 49385, 49980, 50796, 52290, 52479, 56938, 58310, 59262, 61005, 61740, 62748, 63495, 64260, 69139, 69972, 73206, 74970, 76194, 78435, 81340, 84660, 85407, 87465, 88893, 89964, 92610, 98770, 104580, 104958, 109809, 112455, 113876, 116620, 118524, 122010, 126990, 138278, 142345, 146412, 148155, 149940, 152388, 156870, 157437, 170814, 174930, 177786, 183015, 185220, 190485, 197540, 207417, 209916, 219618, 224910, 244020, 253980, 256221, 262395, 266679, 276556, 284690, 296310, 313740, 314874, 341628, 345695, 349860, 355572, 366030, 380970, 414834, 427035, 439236, 444465, 449820, 483973, 512442, 524790, 533358, 549045, 569380, 592620, 622251, 629748, 691390, 732060, 761940, 768663, 787185, 829668, 854070, 888930, 967946, 1024884, 1037085, 1049580, 1066716, 1098090, 1244502, 1281105, 1333395, 1382780, 1451919, 1537326, 1574370, 1708140, 1777860, 1866753, 1935892, 2074170, 2196180, 2419865, 2489004, 2562210, 2666790, 2903838, 3074652, 3111255, 3148740, 3733506, 3843315, 4148340, 4355757, 4839730, 5124420, 5333580, 5807676, 6222510, 7259595, 7467012, 7686630, 8711514, 9333765, 9679460, 12445020, 13067271, 14519190, 15373260, 17423028, 18667530, 21778785, 26134542, 29038380, 37335060, 43557570, 52269084, 65336355, 87115140, 130672710, 261345420]

約数ペア:

[(1, 261345420), (2, 130672710), (3, 87115140), (4, 65336355), (5, 52269084), (6, 43557570), (7, 37335060), (9, 29038380), (10, 26134542), (12, 21778785), (14, 18667530), (15, 17423028), (17, 15373260), (18, 14519190), (20, 13067271), (21, 12445020), (27, 9679460), (28, 9333765), (30, 8711514), (34, 7686630), (35, 7467012), (36, 7259595), (42, 6222510), (45, 5807676), (49, 5333580), (51, 5124420), (54, 4839730), (60, 4355757), (63, 4148340), (68, 3843315), (70, 3733506), (83, 3148740), (84, 3111255), (85, 3074652), (90, 2903838), (98, 2666790), (102, 2562210), (105, 2489004), (108, 2419865), (119, 2196180), (126, 2074170), (135, 1935892), (140, 1866753), (147, 1777860), (153, 1708140), (166, 1574370), (170, 1537326), (180, 1451919), (189, 1382780), (196, 1333395), (204, 1281105), (210, 1244502), (238, 1098090), (245, 1066716), (249, 1049580), (252, 1037085), (255, 1024884), (270, 967946), (294, 888930), (306, 854070), (315, 829668), (332, 787185), (340, 768663), (343, 761940), (357, 732060), (378, 691390), (415, 629748), (420, 622251), (441, 592620), (459, 569380), (476, 549045), (490, 533358), (498, 524790), (510, 512442), (540, 483973), (581, 449820), (588, 444465), (595, 439236), (612, 427035), (630, 414834), (686, 380970), (714, 366030), (735, 355572), (747, 349860), (756, 345695), (765, 341628), (830, 314874), (833, 313740), (882, 296310), (918, 284690), (945, 276556), (980, 266679), (996, 262395), (1020, 256221), (1029, 253980), (1071, 244020), (1162, 224910), (1190, 219618), (1245, 209916), (1260, 207417), (1323, 197540), (1372, 190485), (1411, 185220), (1428, 183015), (1470, 177786), (1494, 174930), (1530, 170814), (1660, 157437), (1666, 156870), (1715, 152388), (1743, 149940), (1764, 148155), (1785, 146412), (1836, 142345), (1890, 138278), (2058, 126990), (2142, 122010), (2205, 118524), (2241, 116620), (2295, 113876), (2324, 112455), (2380, 109809), (2490, 104958), (2499, 104580), (2646, 98770), (2822, 92610), (2905, 89964), (2940, 88893), (2988, 87465), (3060, 85407), (3087, 84660), (3213, 81340), (3332, 78435), (3430, 76194), (3486, 74970), (3570, 73206), (3735, 69972), (3780, 69139), (4067, 64260), (4116, 63495), (4165, 62748), (4233, 61740), (4284, 61005), (4410, 59262), (4482, 58310), (4590, 56938), (4980, 52479), (4998, 52290), (5145, 50796), (5229, 49980), (5292, 49385), (5355, 48804), (5644, 46305), (5810, 44982), (5831, 44820), (6174, 42330), (6426, 40670), (6615, 39508), (6860, 38097), (6972, 37485), (7055, 37044), (7140, 36603), (7470, 34986), (7497, 34860), (8134, 32130), (8330, 31374), (8466, 30870), (8715, 29988), (8820, 29631), (8964, 29155), (9180, 28469), (9261, 28220), (9877, 26460), (9996, 26145), (10290, 25398), (10458, 24990), (10710, 24402), (11205, 23324), (11620, 22491), (11662, 22410), (12201, 21420), (12348, 21165), (12495, 20916), (12699, 20580), (12852, 20335), (13230, 19754), (14110, 18522), (14940, 17493), (14994, 17430), (15435, 16932), (15687, 16660), (16065, 16268)]