254067720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124543}}^1$

素因数の和:124574

約数の個数: 64

約数和(自身を含む): 807045120

約数和(自身を除く): 552977400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 124543, 249086, 373629, 498172, 622715, 747258, 996344, 1245430, 1494516, 1868145, 2117231, 2490860, 2989032, 3736290, 4234462, 4981720, 6351693, 7472580, 8468924, 10586155, 12703386, 14945160, 16937848, 21172310, 25406772, 31758465, 42344620, 50813544, 63516930, 84689240, 127033860, 254067720]

約数ペア:

[(1, 254067720), (2, 127033860), (3, 84689240), (4, 63516930), (5, 50813544), (6, 42344620), (8, 31758465), (10, 25406772), (12, 21172310), (15, 16937848), (17, 14945160), (20, 12703386), (24, 10586155), (30, 8468924), (34, 7472580), (40, 6351693), (51, 4981720), (60, 4234462), (68, 3736290), (85, 2989032), (102, 2490860), (120, 2117231), (136, 1868145), (170, 1494516), (204, 1245430), (255, 996344), (340, 747258), (408, 622715), (510, 498172), (680, 373629), (1020, 249086), (2040, 124543)]