257655180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{22483}}^1$

素因数の和:22686

約数の個数: 48

約数和(自身を含む): 725243904

約数和(自身を除く): 467588724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1910, 2292, 2865, 3820, 5730, 11460, 22483, 44966, 67449, 89932, 112415, 134898, 224830, 269796, 337245, 449660, 674490, 1348980, 4294253, 8588506, 12882759, 17177012, 21471265, 25765518, 42942530, 51531036, 64413795, 85885060, 128827590, 257655180]

約数ペア:

[(1, 257655180), (2, 128827590), (3, 85885060), (4, 64413795), (5, 51531036), (6, 42942530), (10, 25765518), (12, 21471265), (15, 17177012), (20, 12882759), (30, 8588506), (60, 4294253), (191, 1348980), (382, 674490), (573, 449660), (764, 337245), (955, 269796), (1146, 224830), (1910, 134898), (2292, 112415), (2865, 89932), (3820, 67449), (5730, 44966), (11460, 22483)]