63817780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 147571200

約数和(自身を除く): 83753420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 169, 239, 260, 316, 338, 395, 478, 676, 790, 845, 956, 1027, 1195, 1580, 1690, 2054, 2390, 3107, 3380, 4108, 4780, 5135, 6214, 10270, 12428, 13351, 15535, 18881, 20540, 26702, 31070, 37762, 40391, 53404, 62140, 66755, 75524, 80782, 94405, 133510, 161564, 188810, 201955, 245453, 267020, 377620, 403910, 490906, 807820, 981812, 1227265, 2454530, 3190889, 4909060, 6381778, 12763556, 15954445, 31908890, 63817780]

約数ペア:

[(1, 63817780), (2, 31908890), (4, 15954445), (5, 12763556), (10, 6381778), (13, 4909060), (20, 3190889), (26, 2454530), (52, 1227265), (65, 981812), (79, 807820), (130, 490906), (158, 403910), (169, 377620), (239, 267020), (260, 245453), (316, 201955), (338, 188810), (395, 161564), (478, 133510), (676, 94405), (790, 80782), (845, 75524), (956, 66755), (1027, 62140), (1195, 53404), (1580, 40391), (1690, 37762), (2054, 31070), (2390, 26702), (3107, 20540), (3380, 18881), (4108, 15535), (4780, 13351), (5135, 12428), (6214, 10270)]