1620387756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{38903}}^1$

素因数の和:39015

約数の個数: 72

約数和(自身を含む): 4460732640

約数和(自身を除く): 2840344884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 2314, 3204, 3471, 4628, 6942, 10413, 13884, 20826, 38903, 41652, 77806, 116709, 155612, 233418, 350127, 466836, 505739, 700254, 1011478, 1400508, 1517217, 2022956, 3034434, 3462367, 4551651, 6068868, 6924734, 9103302, 10387101, 13849468, 18206604, 20774202, 31161303, 41548404, 45010771, 62322606, 90021542, 124645212, 135032313, 180043084, 270064626, 405096939, 540129252, 810193878, 1620387756]

約数ペア:

[(1, 1620387756), (2, 810193878), (3, 540129252), (4, 405096939), (6, 270064626), (9, 180043084), (12, 135032313), (13, 124645212), (18, 90021542), (26, 62322606), (36, 45010771), (39, 41548404), (52, 31161303), (78, 20774202), (89, 18206604), (117, 13849468), (156, 10387101), (178, 9103302), (234, 6924734), (267, 6068868), (356, 4551651), (468, 3462367), (534, 3034434), (801, 2022956), (1068, 1517217), (1157, 1400508), (1602, 1011478), (2314, 700254), (3204, 505739), (3471, 466836), (4628, 350127), (6942, 233418), (10413, 155612), (13884, 116709), (20826, 77806), (38903, 41652)]