64655820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 205272144

約数和(自身を除く): 140616324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 180, 214, 270, 321, 324, 373, 405, 428, 535, 540, 642, 746, 810, 963, 1070, 1119, 1284, 1492, 1605, 1620, 1865, 1926, 2140, 2238, 2889, 3210, 3357, 3730, 3852, 4476, 4815, 5595, 5778, 6420, 6714, 7460, 8667, 9630, 10071, 11190, 11556, 13428, 14445, 16785, 17334, 19260, 20142, 22380, 28890, 30213, 33570, 34668, 39911, 40284, 43335, 50355, 57780, 60426, 67140, 79822, 86670, 100710, 119733, 120852, 151065, 159644, 173340, 199555, 201420, 239466, 302130, 359199, 399110, 478932, 598665, 604260, 718398, 798220, 1077597, 1197330, 1436796, 1795995, 2155194, 2394660, 3232791, 3591990, 4310388, 5387985, 6465582, 7183980, 10775970, 12931164, 16163955, 21551940, 32327910, 64655820]

約数ペア:

[(1, 64655820), (2, 32327910), (3, 21551940), (4, 16163955), (5, 12931164), (6, 10775970), (9, 7183980), (10, 6465582), (12, 5387985), (15, 4310388), (18, 3591990), (20, 3232791), (27, 2394660), (30, 2155194), (36, 1795995), (45, 1436796), (54, 1197330), (60, 1077597), (81, 798220), (90, 718398), (107, 604260), (108, 598665), (135, 478932), (162, 399110), (180, 359199), (214, 302130), (270, 239466), (321, 201420), (324, 199555), (373, 173340), (405, 159644), (428, 151065), (535, 120852), (540, 119733), (642, 100710), (746, 86670), (810, 79822), (963, 67140), (1070, 60426), (1119, 57780), (1284, 50355), (1492, 43335), (1605, 40284), (1620, 39911), (1865, 34668), (1926, 33570), (2140, 30213), (2238, 28890), (2889, 22380), (3210, 20142), (3357, 19260), (3730, 17334), (3852, 16785), (4476, 14445), (4815, 13428), (5595, 11556), (5778, 11190), (6420, 10071), (6714, 9630), (7460, 8667)]