81514680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52253}}^1$

素因数の和:52280

約数の個数: 64

約数和(自身を含む): 263360160

約数和(自身を除く): 181845480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 52253, 104506, 156759, 209012, 261265, 313518, 418024, 522530, 627036, 679289, 783795, 1045060, 1254072, 1358578, 1567590, 2037867, 2090120, 2717156, 3135180, 3396445, 4075734, 5434312, 6270360, 6792890, 8151468, 10189335, 13585780, 16302936, 20378670, 27171560, 40757340, 81514680]

約数ペア:

[(1, 81514680), (2, 40757340), (3, 27171560), (4, 20378670), (5, 16302936), (6, 13585780), (8, 10189335), (10, 8151468), (12, 6792890), (13, 6270360), (15, 5434312), (20, 4075734), (24, 3396445), (26, 3135180), (30, 2717156), (39, 2090120), (40, 2037867), (52, 1567590), (60, 1358578), (65, 1254072), (78, 1045060), (104, 783795), (120, 679289), (130, 627036), (156, 522530), (195, 418024), (260, 313518), (312, 261265), (390, 209012), (520, 156759), (780, 104506), (1560, 52253)]