18772376920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{723127}}^1$

素因数の和:723208

約数の個数: 64

約数和(自身を含む): 46858694400

約数和(自身を除く): 28086317480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 12980, 25960, 723127, 1446254, 2892508, 3615635, 5785016, 7231270, 7954397, 14462540, 15908794, 28925080, 31817588, 39771985, 42664493, 63635176, 79543970, 85328986, 159087940, 170657972, 213322465, 318175880, 341315944, 426644930, 469309423, 853289860, 938618846, 1706579720, 1877237692, 2346547115, 3754475384, 4693094230, 9386188460, 18772376920]

約数ペア:

[(1, 18772376920), (2, 9386188460), (4, 4693094230), (5, 3754475384), (8, 2346547115), (10, 1877237692), (11, 1706579720), (20, 938618846), (22, 853289860), (40, 469309423), (44, 426644930), (55, 341315944), (59, 318175880), (88, 213322465), (110, 170657972), (118, 159087940), (220, 85328986), (236, 79543970), (295, 63635176), (440, 42664493), (472, 39771985), (590, 31817588), (649, 28925080), (1180, 15908794), (1298, 14462540), (2360, 7954397), (2596, 7231270), (3245, 5785016), (5192, 3615635), (6490, 2892508), (12980, 1446254), (25960, 723127)]