30758520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19717}}^1$

素因数の和:19744

約数の個数: 64

約数和(自身を含む): 99378720

約数和(自身を除く): 68620200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 19717, 39434, 59151, 78868, 98585, 118302, 157736, 197170, 236604, 256321, 295755, 394340, 473208, 512642, 591510, 768963, 788680, 1025284, 1183020, 1281605, 1537926, 2050568, 2366040, 2563210, 3075852, 3844815, 5126420, 6151704, 7689630, 10252840, 15379260, 30758520]

約数ペア:

[(1, 30758520), (2, 15379260), (3, 10252840), (4, 7689630), (5, 6151704), (6, 5126420), (8, 3844815), (10, 3075852), (12, 2563210), (13, 2366040), (15, 2050568), (20, 1537926), (24, 1281605), (26, 1183020), (30, 1025284), (39, 788680), (40, 768963), (52, 591510), (60, 512642), (65, 473208), (78, 394340), (104, 295755), (120, 256321), (130, 236604), (156, 197170), (195, 157736), (260, 118302), (312, 98585), (390, 78868), (520, 59151), (780, 39434), (1560, 19717)]