15865020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1731

約数の個数: 72

約数和(自身を含む): 49061376

約数和(自身を除く): 33196356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1663, 1908, 2385, 3180, 3326, 4770, 4989, 6652, 8315, 9540, 9978, 14967, 16630, 19956, 24945, 29934, 33260, 49890, 59868, 74835, 88139, 99780, 149670, 176278, 264417, 299340, 352556, 440695, 528834, 793251, 881390, 1057668, 1322085, 1586502, 1762780, 2644170, 3173004, 3966255, 5288340, 7932510, 15865020]

約数ペア:

[(1, 15865020), (2, 7932510), (3, 5288340), (4, 3966255), (5, 3173004), (6, 2644170), (9, 1762780), (10, 1586502), (12, 1322085), (15, 1057668), (18, 881390), (20, 793251), (30, 528834), (36, 440695), (45, 352556), (53, 299340), (60, 264417), (90, 176278), (106, 149670), (159, 99780), (180, 88139), (212, 74835), (265, 59868), (318, 49890), (477, 33260), (530, 29934), (636, 24945), (795, 19956), (954, 16630), (1060, 14967), (1590, 9978), (1663, 9540), (1908, 8315), (2385, 6652), (3180, 4989), (3326, 4770)]