17637780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12781}}^1$

素因数の和:12816

約数の個数: 48

約数和(自身を含む): 51537024

約数和(自身を除く): 33899244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 12781, 25562, 38343, 51124, 63905, 76686, 127810, 153372, 191715, 255620, 293963, 383430, 587926, 766860, 881889, 1175852, 1469815, 1763778, 2939630, 3527556, 4409445, 5879260, 8818890, 17637780]

約数ペア:

[(1, 17637780), (2, 8818890), (3, 5879260), (4, 4409445), (5, 3527556), (6, 2939630), (10, 1763778), (12, 1469815), (15, 1175852), (20, 881889), (23, 766860), (30, 587926), (46, 383430), (60, 293963), (69, 255620), (92, 191715), (115, 153372), (138, 127810), (230, 76686), (276, 63905), (345, 51124), (460, 38343), (690, 25562), (1380, 12781)]