121620400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 322711488

約数和(自身を除く): 201091088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 131, 176, 200, 211, 220, 262, 275, 400, 422, 440, 524, 550, 655, 844, 880, 1048, 1055, 1100, 1310, 1441, 1688, 2096, 2110, 2200, 2321, 2620, 2882, 3275, 3376, 4220, 4400, 4642, 5240, 5275, 5764, 6550, 7205, 8440, 9284, 10480, 10550, 11528, 11605, 13100, 14410, 16880, 18568, 21100, 23056, 23210, 26200, 27641, 28820, 36025, 37136, 42200, 46420, 52400, 55282, 57640, 58025, 72050, 84400, 92840, 110564, 115280, 116050, 138205, 144100, 185680, 221128, 232100, 276410, 288200, 304051, 442256, 464200, 552820, 576400, 608102, 691025, 928400, 1105640, 1216204, 1382050, 1520255, 2211280, 2432408, 2764100, 3040510, 4864816, 5528200, 6081020, 7601275, 11056400, 12162040, 15202550, 24324080, 30405100, 60810200, 121620400]

約数ペア:

[(1, 121620400), (2, 60810200), (4, 30405100), (5, 24324080), (8, 15202550), (10, 12162040), (11, 11056400), (16, 7601275), (20, 6081020), (22, 5528200), (25, 4864816), (40, 3040510), (44, 2764100), (50, 2432408), (55, 2211280), (80, 1520255), (88, 1382050), (100, 1216204), (110, 1105640), (131, 928400), (176, 691025), (200, 608102), (211, 576400), (220, 552820), (262, 464200), (275, 442256), (400, 304051), (422, 288200), (440, 276410), (524, 232100), (550, 221128), (655, 185680), (844, 144100), (880, 138205), (1048, 116050), (1055, 115280), (1100, 110564), (1310, 92840), (1441, 84400), (1688, 72050), (2096, 58025), (2110, 57640), (2200, 55282), (2321, 52400), (2620, 46420), (2882, 42200), (3275, 37136), (3376, 36025), (4220, 28820), (4400, 27641), (4642, 26200), (5240, 23210), (5275, 23056), (5764, 21100), (6550, 18568), (7205, 16880), (8440, 14410), (9284, 13100), (10480, 11605), (10550, 11528)]