1820347260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{340889}}^1$

素因数の和:340990

約数の個数: 48

約数和(自身を含む): 5154256800

約数和(自身を除く): 3333909540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 340889, 681778, 1022667, 1363556, 1704445, 2045334, 3408890, 4090668, 5113335, 6817780, 10226670, 20453340, 30339121, 60678242, 91017363, 121356484, 151695605, 182034726, 303391210, 364069452, 455086815, 606782420, 910173630, 1820347260]

約数ペア:

[(1, 1820347260), (2, 910173630), (3, 606782420), (4, 455086815), (5, 364069452), (6, 303391210), (10, 182034726), (12, 151695605), (15, 121356484), (20, 91017363), (30, 60678242), (60, 30339121), (89, 20453340), (178, 10226670), (267, 6817780), (356, 5113335), (445, 4090668), (534, 3408890), (890, 2045334), (1068, 1704445), (1335, 1363556), (1780, 1022667), (2670, 681778), (5340, 340889)]