64791120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2740

約数の個数: 80

約数和(自身を含む): 202879872

約数和(自身を除く): 138088752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 2621, 3090, 4120, 4944, 5242, 6180, 7863, 8240, 10484, 12360, 13105, 15726, 20968, 24720, 26210, 31452, 39315, 41936, 52420, 62904, 78630, 104840, 125808, 157260, 209680, 269963, 314520, 539926, 629040, 809889, 1079852, 1349815, 1619778, 2159704, 2699630, 3239556, 4049445, 4319408, 5399260, 6479112, 8098890, 10798520, 12958224, 16197780, 21597040, 32395560, 64791120]

約数ペア:

[(1, 64791120), (2, 32395560), (3, 21597040), (4, 16197780), (5, 12958224), (6, 10798520), (8, 8098890), (10, 6479112), (12, 5399260), (15, 4319408), (16, 4049445), (20, 3239556), (24, 2699630), (30, 2159704), (40, 1619778), (48, 1349815), (60, 1079852), (80, 809889), (103, 629040), (120, 539926), (206, 314520), (240, 269963), (309, 209680), (412, 157260), (515, 125808), (618, 104840), (824, 78630), (1030, 62904), (1236, 52420), (1545, 41936), (1648, 39315), (2060, 31452), (2472, 26210), (2621, 24720), (3090, 20968), (4120, 15726), (4944, 13105), (5242, 12360), (6180, 10484), (7863, 8240)]