129538480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 312971040

約数和(自身を除く): 183432560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 107, 148, 185, 214, 296, 370, 409, 428, 535, 592, 740, 818, 856, 1070, 1480, 1636, 1712, 2045, 2140, 2960, 3272, 3959, 4090, 4280, 6544, 7918, 8180, 8560, 15133, 15836, 16360, 19795, 30266, 31672, 32720, 39590, 43763, 60532, 63344, 75665, 79180, 87526, 121064, 151330, 158360, 175052, 218815, 242128, 302660, 316720, 350104, 437630, 605320, 700208, 875260, 1210640, 1619231, 1750520, 3238462, 3501040, 6476924, 8096155, 12953848, 16192310, 25907696, 32384620, 64769240, 129538480]

約数ペア:

[(1, 129538480), (2, 64769240), (4, 32384620), (5, 25907696), (8, 16192310), (10, 12953848), (16, 8096155), (20, 6476924), (37, 3501040), (40, 3238462), (74, 1750520), (80, 1619231), (107, 1210640), (148, 875260), (185, 700208), (214, 605320), (296, 437630), (370, 350104), (409, 316720), (428, 302660), (535, 242128), (592, 218815), (740, 175052), (818, 158360), (856, 151330), (1070, 121064), (1480, 87526), (1636, 79180), (1712, 75665), (2045, 63344), (2140, 60532), (2960, 43763), (3272, 39590), (3959, 32720), (4090, 31672), (4280, 30266), (6544, 19795), (7918, 16360), (8180, 15836), (8560, 15133)]