87146920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16381}}^1$

素因数の和:16418

約数の個数: 64

約数和(自身を含む): 235900800

約数和(自身を除く): 148753880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 16381, 32762, 65524, 81905, 114667, 131048, 163810, 229334, 311239, 327620, 458668, 573335, 622478, 655240, 917336, 1146670, 1244956, 1556195, 2178673, 2293340, 2489912, 3112390, 4357346, 4586680, 6224780, 8714692, 10893365, 12449560, 17429384, 21786730, 43573460, 87146920]

約数ペア:

[(1, 87146920), (2, 43573460), (4, 21786730), (5, 17429384), (7, 12449560), (8, 10893365), (10, 8714692), (14, 6224780), (19, 4586680), (20, 4357346), (28, 3112390), (35, 2489912), (38, 2293340), (40, 2178673), (56, 1556195), (70, 1244956), (76, 1146670), (95, 917336), (133, 655240), (140, 622478), (152, 573335), (190, 458668), (266, 327620), (280, 311239), (380, 229334), (532, 163810), (665, 131048), (760, 114667), (1064, 81905), (1330, 65524), (2660, 32762), (5320, 16381)]