64945020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1531}}^1$

素因数の和:1651

約数の個数: 96

約数和(自身を含む): 210018816

約数和(自身を除く): 145073796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1010, 1212, 1414, 1515, 1531, 2020, 2121, 2828, 3030, 3062, 3535, 4242, 4593, 6060, 6124, 7070, 7655, 8484, 9186, 10605, 10717, 14140, 15310, 18372, 21210, 21434, 22965, 30620, 32151, 42420, 42868, 45930, 53585, 64302, 91860, 107170, 128604, 154631, 160755, 214340, 309262, 321510, 463893, 618524, 643020, 773155, 927786, 1082417, 1546310, 1855572, 2164834, 2319465, 3092620, 3247251, 4329668, 4638930, 5412085, 6494502, 9277860, 10824170, 12989004, 16236255, 21648340, 32472510, 64945020]

約数ペア:

[(1, 64945020), (2, 32472510), (3, 21648340), (4, 16236255), (5, 12989004), (6, 10824170), (7, 9277860), (10, 6494502), (12, 5412085), (14, 4638930), (15, 4329668), (20, 3247251), (21, 3092620), (28, 2319465), (30, 2164834), (35, 1855572), (42, 1546310), (60, 1082417), (70, 927786), (84, 773155), (101, 643020), (105, 618524), (140, 463893), (202, 321510), (210, 309262), (303, 214340), (404, 160755), (420, 154631), (505, 128604), (606, 107170), (707, 91860), (1010, 64302), (1212, 53585), (1414, 45930), (1515, 42868), (1531, 42420), (2020, 32151), (2121, 30620), (2828, 22965), (3030, 21434), (3062, 21210), (3535, 18372), (4242, 15310), (4593, 14140), (6060, 10717), (6124, 10605), (7070, 9186), (7655, 8484)]