8871986340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{7041259}}^1$

素因数の和:7041281

約数の個数: 72

約数和(自身を含む): 30756223680

約数和(自身を除く): 21884237340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 7041259, 14082518, 21123777, 28165036, 35206295, 42247554, 49288813, 63371331, 70412590, 84495108, 98577626, 105618885, 126742662, 140825180, 147866439, 197155252, 211237770, 246444065, 253485324, 295732878, 316856655, 422475540, 443599317, 492888130, 591465756, 633713310, 739332195, 887198634, 985776260, 1267426620, 1478664390, 1774397268, 2217996585, 2957328780, 4435993170, 8871986340]

約数ペア:

[(1, 8871986340), (2, 4435993170), (3, 2957328780), (4, 2217996585), (5, 1774397268), (6, 1478664390), (7, 1267426620), (9, 985776260), (10, 887198634), (12, 739332195), (14, 633713310), (15, 591465756), (18, 492888130), (20, 443599317), (21, 422475540), (28, 316856655), (30, 295732878), (35, 253485324), (36, 246444065), (42, 211237770), (45, 197155252), (60, 147866439), (63, 140825180), (70, 126742662), (84, 105618885), (90, 98577626), (105, 84495108), (126, 70412590), (140, 63371331), (180, 49288813), (210, 42247554), (252, 35206295), (315, 28165036), (420, 21123777), (630, 14082518), (1260, 7041259)]