642743088

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 1866547200

約数和(自身を除く): 1223804112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 149, 156, 186, 208, 223, 248, 298, 312, 372, 403, 446, 447, 496, 596, 624, 669, 744, 806, 892, 894, 1192, 1209, 1338, 1488, 1612, 1784, 1788, 1937, 2384, 2418, 2676, 2899, 3224, 3568, 3576, 3874, 4619, 4836, 5352, 5798, 5811, 6448, 6913, 7152, 7748, 8697, 9238, 9672, 10704, 11596, 11622, 13826, 13857, 15496, 17394, 18476, 19344, 20739, 23192, 23244, 27652, 27714, 30992, 33227, 34788, 36952, 41478, 46384, 46488, 55304, 55428, 60047, 66454, 69576, 73904, 82956, 89869, 92976, 99681, 110608, 110856, 120094, 132908, 139152, 165912, 179738, 180141, 199362, 221712, 240188, 265816, 269607, 331824, 359476, 360282, 398724, 431951, 480376, 531632, 539214, 718952, 720564, 797448, 863902, 960752, 1030037, 1078428, 1295853, 1437904, 1441128, 1594896, 1727804, 2060074, 2156856, 2591706, 2882256, 3090111, 3455608, 4120148, 4313712, 5183412, 6180222, 6911216, 8240296, 10366824, 12360444, 13390481, 16480592, 20733648, 24720888, 26780962, 40171443, 49441776, 53561924, 80342886, 107123848, 160685772, 214247696, 321371544, 642743088]

約数ペア:

[(1, 642743088), (2, 321371544), (3, 214247696), (4, 160685772), (6, 107123848), (8, 80342886), (12, 53561924), (13, 49441776), (16, 40171443), (24, 26780962), (26, 24720888), (31, 20733648), (39, 16480592), (48, 13390481), (52, 12360444), (62, 10366824), (78, 8240296), (93, 6911216), (104, 6180222), (124, 5183412), (149, 4313712), (156, 4120148), (186, 3455608), (208, 3090111), (223, 2882256), (248, 2591706), (298, 2156856), (312, 2060074), (372, 1727804), (403, 1594896), (446, 1441128), (447, 1437904), (496, 1295853), (596, 1078428), (624, 1030037), (669, 960752), (744, 863902), (806, 797448), (892, 720564), (894, 718952), (1192, 539214), (1209, 531632), (1338, 480376), (1488, 431951), (1612, 398724), (1784, 360282), (1788, 359476), (1937, 331824), (2384, 269607), (2418, 265816), (2676, 240188), (2899, 221712), (3224, 199362), (3568, 180141), (3576, 179738), (3874, 165912), (4619, 139152), (4836, 132908), (5352, 120094), (5798, 110856), (5811, 110608), (6448, 99681), (6913, 92976), (7152, 89869), (7748, 82956), (8697, 73904), (9238, 69576), (9672, 66454), (10704, 60047), (11596, 55428), (11622, 55304), (13826, 46488), (13857, 46384), (15496, 41478), (17394, 36952), (18476, 34788), (19344, 33227), (20739, 30992), (23192, 27714), (23244, 27652)]