316859120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:858

約数の個数: 80

約数和(自身を含む): 762326208

約数和(自身を除く): 445467088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 167, 185, 296, 334, 370, 592, 641, 668, 740, 835, 1282, 1336, 1480, 1670, 2564, 2672, 2960, 3205, 3340, 5128, 6179, 6410, 6680, 10256, 12358, 12820, 13360, 23717, 24716, 25640, 30895, 47434, 49432, 51280, 61790, 94868, 98864, 107047, 118585, 123580, 189736, 214094, 237170, 247160, 379472, 428188, 474340, 494320, 535235, 856376, 948680, 1070470, 1712752, 1897360, 2140940, 3960739, 4281880, 7921478, 8563760, 15842956, 19803695, 31685912, 39607390, 63371824, 79214780, 158429560, 316859120]

約数ペア:

[(1, 316859120), (2, 158429560), (4, 79214780), (5, 63371824), (8, 39607390), (10, 31685912), (16, 19803695), (20, 15842956), (37, 8563760), (40, 7921478), (74, 4281880), (80, 3960739), (148, 2140940), (167, 1897360), (185, 1712752), (296, 1070470), (334, 948680), (370, 856376), (592, 535235), (641, 494320), (668, 474340), (740, 428188), (835, 379472), (1282, 247160), (1336, 237170), (1480, 214094), (1670, 189736), (2564, 123580), (2672, 118585), (2960, 107047), (3205, 98864), (3340, 94868), (5128, 61790), (6179, 51280), (6410, 49432), (6680, 47434), (10256, 30895), (12358, 25640), (12820, 24716), (13360, 23717)]