81357920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4273}}^1$

素因数の和:4312

約数の個数: 96

約数和(自身を含む): 232642368

約数和(自身を除く): 151284448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1190, 1360, 1904, 2380, 2720, 3808, 4273, 4760, 8546, 9520, 17092, 19040, 21365, 29911, 34184, 42730, 59822, 68368, 72641, 85460, 119644, 136736, 145282, 149555, 170920, 239288, 290564, 299110, 341840, 363205, 478576, 508487, 581128, 598220, 683680, 726410, 957152, 1016974, 1162256, 1196440, 1452820, 2033948, 2324512, 2392880, 2542435, 2905640, 4067896, 4785760, 5084870, 5811280, 8135792, 10169740, 11622560, 16271584, 20339480, 40678960, 81357920]

約数ペア:

[(1, 81357920), (2, 40678960), (4, 20339480), (5, 16271584), (7, 11622560), (8, 10169740), (10, 8135792), (14, 5811280), (16, 5084870), (17, 4785760), (20, 4067896), (28, 2905640), (32, 2542435), (34, 2392880), (35, 2324512), (40, 2033948), (56, 1452820), (68, 1196440), (70, 1162256), (80, 1016974), (85, 957152), (112, 726410), (119, 683680), (136, 598220), (140, 581128), (160, 508487), (170, 478576), (224, 363205), (238, 341840), (272, 299110), (280, 290564), (340, 239288), (476, 170920), (544, 149555), (560, 145282), (595, 136736), (680, 119644), (952, 85460), (1120, 72641), (1190, 68368), (1360, 59822), (1904, 42730), (2380, 34184), (2720, 29911), (3808, 21365), (4273, 19040), (4760, 17092), (8546, 9520)]