155622160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2456

約数の個数: 80

約数和(自身を含む): 389885760

約数和(自身を除く): 234263600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 2381, 3268, 3440, 4085, 4762, 6536, 8170, 9524, 11905, 13072, 16340, 19048, 23810, 32680, 38096, 45239, 47620, 65360, 90478, 95240, 102383, 180956, 190480, 204766, 226195, 361912, 409532, 452390, 511915, 723824, 819064, 904780, 1023830, 1638128, 1809560, 1945277, 2047660, 3619120, 3890554, 4095320, 7781108, 8190640, 9726385, 15562216, 19452770, 31124432, 38905540, 77811080, 155622160]

約数ペア:

[(1, 155622160), (2, 77811080), (4, 38905540), (5, 31124432), (8, 19452770), (10, 15562216), (16, 9726385), (19, 8190640), (20, 7781108), (38, 4095320), (40, 3890554), (43, 3619120), (76, 2047660), (80, 1945277), (86, 1809560), (95, 1638128), (152, 1023830), (172, 904780), (190, 819064), (215, 723824), (304, 511915), (344, 452390), (380, 409532), (430, 361912), (688, 226195), (760, 204766), (817, 190480), (860, 180956), (1520, 102383), (1634, 95240), (1720, 90478), (2381, 65360), (3268, 47620), (3440, 45239), (4085, 38096), (4762, 32680), (6536, 23810), (8170, 19048), (9524, 16340), (11905, 13072)]