156909680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1698

約数の個数: 80

約数和(自身を含む): 388100160

約数和(自身を除く): 231190480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 184, 212, 230, 265, 368, 424, 460, 530, 848, 920, 1060, 1219, 1609, 1840, 2120, 2438, 3218, 4240, 4876, 6095, 6436, 8045, 9752, 12190, 12872, 16090, 19504, 24380, 25744, 32180, 37007, 48760, 64360, 74014, 85277, 97520, 128720, 148028, 170554, 185035, 296056, 341108, 370070, 426385, 592112, 682216, 740140, 852770, 1364432, 1480280, 1705540, 1961371, 2960560, 3411080, 3922742, 6822160, 7845484, 9806855, 15690968, 19613710, 31381936, 39227420, 78454840, 156909680]

約数ペア:

[(1, 156909680), (2, 78454840), (4, 39227420), (5, 31381936), (8, 19613710), (10, 15690968), (16, 9806855), (20, 7845484), (23, 6822160), (40, 3922742), (46, 3411080), (53, 2960560), (80, 1961371), (92, 1705540), (106, 1480280), (115, 1364432), (184, 852770), (212, 740140), (230, 682216), (265, 592112), (368, 426385), (424, 370070), (460, 341108), (530, 296056), (848, 185035), (920, 170554), (1060, 148028), (1219, 128720), (1609, 97520), (1840, 85277), (2120, 74014), (2438, 64360), (3218, 48760), (4240, 37007), (4876, 32180), (6095, 25744), (6436, 24380), (8045, 19504), (9752, 16090), (12190, 12872)]