78243420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18367}}^1$

素因数の和:18450

約数の個数: 48

約数和(自身を含む): 222179328

約数和(自身を除く): 143935908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18367, 36734, 55101, 73468, 91835, 110202, 183670, 220404, 275505, 367340, 551010, 1102020, 1304057, 2608114, 3912171, 5216228, 6520285, 7824342, 13040570, 15648684, 19560855, 26081140, 39121710, 78243420]

約数ペア:

[(1, 78243420), (2, 39121710), (3, 26081140), (4, 19560855), (5, 15648684), (6, 13040570), (10, 7824342), (12, 6520285), (15, 5216228), (20, 3912171), (30, 2608114), (60, 1304057), (71, 1102020), (142, 551010), (213, 367340), (284, 275505), (355, 220404), (426, 183670), (710, 110202), (852, 91835), (1065, 73468), (1420, 55101), (2130, 36734), (4260, 18367)]