308122020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55219}}^1$

素因数の和:55265

約数の個数: 72

約数和(自身を含む): 964803840

約数和(自身を除く): 656681820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 55219, 110438, 165657, 220876, 276095, 331314, 496971, 552190, 662628, 828285, 993942, 1104380, 1656570, 1711789, 1987884, 2484855, 3313140, 3423578, 4969710, 5135367, 6847156, 8558945, 9939420, 10270734, 15406101, 17117890, 20541468, 25676835, 30812202, 34235780, 51353670, 61624404, 77030505, 102707340, 154061010, 308122020]

約数ペア:

[(1, 308122020), (2, 154061010), (3, 102707340), (4, 77030505), (5, 61624404), (6, 51353670), (9, 34235780), (10, 30812202), (12, 25676835), (15, 20541468), (18, 17117890), (20, 15406101), (30, 10270734), (31, 9939420), (36, 8558945), (45, 6847156), (60, 5135367), (62, 4969710), (90, 3423578), (93, 3313140), (124, 2484855), (155, 1987884), (180, 1711789), (186, 1656570), (279, 1104380), (310, 993942), (372, 828285), (465, 662628), (558, 552190), (620, 496971), (930, 331314), (1116, 276095), (1395, 220876), (1860, 165657), (2790, 110438), (5580, 55219)]