1294661680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3089}}^1$

素因数の和:3159

約数の個数: 120

約数和(自身を含む): 3365677440

約数和(自身を除く): 2071015760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 806, 845, 1040, 1240, 1352, 1612, 1690, 2015, 2480, 2704, 3089, 3224, 3380, 4030, 5239, 6178, 6448, 6760, 8060, 10478, 12356, 13520, 15445, 16120, 20956, 24712, 26195, 30890, 32240, 40157, 41912, 49424, 52390, 61780, 80314, 83824, 95759, 104780, 123560, 160628, 191518, 200785, 209560, 247120, 321256, 383036, 401570, 419120, 478795, 522041, 642512, 766072, 803140, 957590, 1044082, 1244867, 1532144, 1606280, 1915180, 2088164, 2489734, 2610205, 3212560, 3830360, 4176328, 4979468, 5220410, 6224335, 7660720, 8352656, 9958936, 10440820, 12448670, 16183271, 19917872, 20881640, 24897340, 32366542, 41763280, 49794680, 64733084, 80916355, 99589360, 129466168, 161832710, 258932336, 323665420, 647330840, 1294661680]

約数ペア:

[(1, 1294661680), (2, 647330840), (4, 323665420), (5, 258932336), (8, 161832710), (10, 129466168), (13, 99589360), (16, 80916355), (20, 64733084), (26, 49794680), (31, 41763280), (40, 32366542), (52, 24897340), (62, 20881640), (65, 19917872), (80, 16183271), (104, 12448670), (124, 10440820), (130, 9958936), (155, 8352656), (169, 7660720), (208, 6224335), (248, 5220410), (260, 4979468), (310, 4176328), (338, 3830360), (403, 3212560), (496, 2610205), (520, 2489734), (620, 2088164), (676, 1915180), (806, 1606280), (845, 1532144), (1040, 1244867), (1240, 1044082), (1352, 957590), (1612, 803140), (1690, 766072), (2015, 642512), (2480, 522041), (2704, 478795), (3089, 419120), (3224, 401570), (3380, 383036), (4030, 321256), (5239, 247120), (6178, 209560), (6448, 200785), (6760, 191518), (8060, 160628), (10478, 123560), (12356, 104780), (13520, 95759), (15445, 83824), (16120, 80314), (20956, 61780), (24712, 52390), (26195, 49424), (30890, 41912), (32240, 40157)]