161784420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2551}}^1$

素因数の和:2721

約数の個数: 96

約数和(自身を含む): 521342976

約数和(自身を除く): 359558556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 151, 210, 302, 420, 453, 604, 755, 906, 1057, 1510, 1812, 2114, 2265, 2551, 3020, 3171, 4228, 4530, 5102, 5285, 6342, 7653, 9060, 10204, 10570, 12684, 12755, 15306, 15855, 17857, 21140, 25510, 30612, 31710, 35714, 38265, 51020, 53571, 63420, 71428, 76530, 89285, 107142, 153060, 178570, 214284, 267855, 357140, 385201, 535710, 770402, 1071420, 1155603, 1540804, 1926005, 2311206, 2696407, 3852010, 4622412, 5392814, 5778015, 7704020, 8089221, 10785628, 11556030, 13482035, 16178442, 23112060, 26964070, 32356884, 40446105, 53928140, 80892210, 161784420]

約数ペア:

[(1, 161784420), (2, 80892210), (3, 53928140), (4, 40446105), (5, 32356884), (6, 26964070), (7, 23112060), (10, 16178442), (12, 13482035), (14, 11556030), (15, 10785628), (20, 8089221), (21, 7704020), (28, 5778015), (30, 5392814), (35, 4622412), (42, 3852010), (60, 2696407), (70, 2311206), (84, 1926005), (105, 1540804), (140, 1155603), (151, 1071420), (210, 770402), (302, 535710), (420, 385201), (453, 357140), (604, 267855), (755, 214284), (906, 178570), (1057, 153060), (1510, 107142), (1812, 89285), (2114, 76530), (2265, 71428), (2551, 63420), (3020, 53571), (3171, 51020), (4228, 38265), (4530, 35714), (5102, 31710), (5285, 30612), (6342, 25510), (7653, 21140), (9060, 17857), (10204, 15855), (10570, 15306), (12684, 12755)]