68581240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 193052160

約数和(自身を除く): 124470920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 83, 91, 104, 130, 140, 166, 182, 227, 260, 280, 332, 364, 415, 454, 455, 520, 581, 664, 728, 830, 908, 910, 1079, 1135, 1162, 1589, 1660, 1816, 1820, 2158, 2270, 2324, 2905, 2951, 3178, 3320, 3640, 4316, 4540, 4648, 5395, 5810, 5902, 6356, 7553, 7945, 8632, 9080, 10790, 11620, 11804, 12712, 14755, 15106, 15890, 18841, 20657, 21580, 23240, 23608, 29510, 30212, 31780, 37682, 37765, 41314, 43160, 59020, 60424, 63560, 75364, 75530, 82628, 94205, 103285, 118040, 131887, 150728, 151060, 165256, 188410, 206570, 244933, 263774, 302120, 376820, 413140, 489866, 527548, 659435, 753640, 826280, 979732, 1055096, 1224665, 1318870, 1714531, 1959464, 2449330, 2637740, 3429062, 4898660, 5275480, 6858124, 8572655, 9797320, 13716248, 17145310, 34290620, 68581240]

約数ペア:

[(1, 68581240), (2, 34290620), (4, 17145310), (5, 13716248), (7, 9797320), (8, 8572655), (10, 6858124), (13, 5275480), (14, 4898660), (20, 3429062), (26, 2637740), (28, 2449330), (35, 1959464), (40, 1714531), (52, 1318870), (56, 1224665), (65, 1055096), (70, 979732), (83, 826280), (91, 753640), (104, 659435), (130, 527548), (140, 489866), (166, 413140), (182, 376820), (227, 302120), (260, 263774), (280, 244933), (332, 206570), (364, 188410), (415, 165256), (454, 151060), (455, 150728), (520, 131887), (581, 118040), (664, 103285), (728, 94205), (830, 82628), (908, 75530), (910, 75364), (1079, 63560), (1135, 60424), (1162, 59020), (1589, 43160), (1660, 41314), (1816, 37765), (1820, 37682), (2158, 31780), (2270, 30212), (2324, 29510), (2905, 23608), (2951, 23240), (3178, 21580), (3320, 20657), (3640, 18841), (4316, 15890), (4540, 15106), (4648, 14755), (5395, 12712), (5810, 11804), (5902, 11620), (6356, 10790), (7553, 9080), (7945, 8632)]