165727240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 448542720

約数和(自身を除く): 282815480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 280, 305, 310, 313, 427, 434, 488, 610, 620, 626, 854, 868, 1085, 1220, 1240, 1252, 1565, 1708, 1736, 1891, 2135, 2170, 2191, 2440, 2504, 3130, 3416, 3782, 4270, 4340, 4382, 6260, 7564, 8540, 8680, 8764, 9455, 9703, 10955, 12520, 13237, 15128, 17080, 17528, 18910, 19093, 19406, 21910, 26474, 37820, 38186, 38812, 43820, 48515, 52948, 66185, 67921, 75640, 76372, 77624, 87640, 95465, 97030, 105896, 132370, 133651, 135842, 152744, 190930, 194060, 264740, 267302, 271684, 339605, 381860, 388120, 529480, 534604, 543368, 591883, 668255, 679210, 763720, 1069208, 1183766, 1336510, 1358420, 2367532, 2673020, 2716840, 2959415, 4143181, 4735064, 5346040, 5918830, 8286362, 11837660, 16572724, 20715905, 23675320, 33145448, 41431810, 82863620, 165727240]

約数ペア:

[(1, 165727240), (2, 82863620), (4, 41431810), (5, 33145448), (7, 23675320), (8, 20715905), (10, 16572724), (14, 11837660), (20, 8286362), (28, 5918830), (31, 5346040), (35, 4735064), (40, 4143181), (56, 2959415), (61, 2716840), (62, 2673020), (70, 2367532), (122, 1358420), (124, 1336510), (140, 1183766), (155, 1069208), (217, 763720), (244, 679210), (248, 668255), (280, 591883), (305, 543368), (310, 534604), (313, 529480), (427, 388120), (434, 381860), (488, 339605), (610, 271684), (620, 267302), (626, 264740), (854, 194060), (868, 190930), (1085, 152744), (1220, 135842), (1240, 133651), (1252, 132370), (1565, 105896), (1708, 97030), (1736, 95465), (1891, 87640), (2135, 77624), (2170, 76372), (2191, 75640), (2440, 67921), (2504, 66185), (3130, 52948), (3416, 48515), (3782, 43820), (4270, 38812), (4340, 38186), (4382, 37820), (6260, 26474), (7564, 21910), (8540, 19406), (8680, 19093), (8764, 18910), (9455, 17528), (9703, 17080), (10955, 15128), (12520, 13237)]