64337680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 164882304

約数和(自身を除く): 100544624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 440, 452, 565, 647, 880, 904, 1130, 1243, 1294, 1808, 2260, 2486, 2588, 3235, 4520, 4972, 5176, 6215, 6470, 7117, 9040, 9944, 10352, 12430, 12940, 14234, 19888, 24860, 25880, 28468, 35585, 49720, 51760, 56936, 71170, 73111, 99440, 113872, 142340, 146222, 284680, 292444, 365555, 569360, 584888, 731110, 804221, 1169776, 1462220, 1608442, 2924440, 3216884, 4021105, 5848880, 6433768, 8042210, 12867536, 16084420, 32168840, 64337680]

約数ペア:

[(1, 64337680), (2, 32168840), (4, 16084420), (5, 12867536), (8, 8042210), (10, 6433768), (11, 5848880), (16, 4021105), (20, 3216884), (22, 2924440), (40, 1608442), (44, 1462220), (55, 1169776), (80, 804221), (88, 731110), (110, 584888), (113, 569360), (176, 365555), (220, 292444), (226, 284680), (440, 146222), (452, 142340), (565, 113872), (647, 99440), (880, 73111), (904, 71170), (1130, 56936), (1243, 51760), (1294, 49720), (1808, 35585), (2260, 28468), (2486, 25880), (2588, 24860), (3235, 19888), (4520, 14234), (4972, 12940), (5176, 12430), (6215, 10352), (6470, 9944), (7117, 9040)]