72860840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2297}}^1$

素因数の和:2382

約数の個数: 64

約数和(自身を含む): 179519760

約数和(自身を除く): 106658920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2297, 2440, 3172, 3965, 4594, 6344, 7930, 9188, 11485, 15860, 18376, 22970, 29861, 31720, 45940, 59722, 91880, 119444, 140117, 149305, 238888, 280234, 298610, 560468, 597220, 700585, 1120936, 1194440, 1401170, 1821521, 2802340, 3643042, 5604680, 7286084, 9107605, 14572168, 18215210, 36430420, 72860840]

約数ペア:

[(1, 72860840), (2, 36430420), (4, 18215210), (5, 14572168), (8, 9107605), (10, 7286084), (13, 5604680), (20, 3643042), (26, 2802340), (40, 1821521), (52, 1401170), (61, 1194440), (65, 1120936), (104, 700585), (122, 597220), (130, 560468), (244, 298610), (260, 280234), (305, 238888), (488, 149305), (520, 140117), (610, 119444), (793, 91880), (1220, 59722), (1586, 45940), (2297, 31720), (2440, 29861), (3172, 22970), (3965, 18376), (4594, 15860), (6344, 11485), (7930, 9188)]