816443360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{300163}}^1$

素因数の和:300195

約数の個数: 48

約数和(自身を含む): 2042315856

約数和(自身を除く): 1225872496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 300163, 600326, 1200652, 1500815, 2401304, 3001630, 4802608, 5102771, 6003260, 9605216, 10205542, 12006520, 20411084, 24013040, 25513855, 40822168, 48026080, 51027710, 81644336, 102055420, 163288672, 204110840, 408221680, 816443360]

約数ペア:

[(1, 816443360), (2, 408221680), (4, 204110840), (5, 163288672), (8, 102055420), (10, 81644336), (16, 51027710), (17, 48026080), (20, 40822168), (32, 25513855), (34, 24013040), (40, 20411084), (68, 12006520), (80, 10205542), (85, 9605216), (136, 6003260), (160, 5102771), (170, 4802608), (272, 3001630), (340, 2401304), (544, 1500815), (680, 1200652), (1360, 600326), (2720, 300163)]