791655680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 1992066048

約数和(自身を除く): 1200410368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 256, 281, 284, 310, 320, 355, 496, 562, 568, 620, 640, 710, 992, 1124, 1136, 1240, 1280, 1405, 1420, 1984, 2201, 2248, 2272, 2480, 2810, 2840, 3968, 4402, 4496, 4544, 4960, 5620, 5680, 7936, 8711, 8804, 8992, 9088, 9920, 11005, 11240, 11360, 17422, 17608, 17984, 18176, 19840, 19951, 22010, 22480, 22720, 34844, 35216, 35968, 39680, 39902, 43555, 44020, 44960, 45440, 69688, 70432, 71936, 79804, 87110, 88040, 89920, 90880, 99755, 139376, 140864, 159608, 174220, 176080, 179840, 199510, 278752, 281728, 319216, 348440, 352160, 359680, 399020, 557504, 563456, 618481, 638432, 696880, 704320, 798040, 1115008, 1236962, 1276864, 1393760, 1408640, 1596080, 2230016, 2473924, 2553728, 2787520, 2817280, 3092405, 3192160, 4947848, 5107456, 5575040, 6184810, 6384320, 9895696, 11150080, 12369620, 12768640, 19791392, 24739240, 25537280, 39582784, 49478480, 79165568, 98956960, 158331136, 197913920, 395827840, 791655680]

約数ペア:

[(1, 791655680), (2, 395827840), (4, 197913920), (5, 158331136), (8, 98956960), (10, 79165568), (16, 49478480), (20, 39582784), (31, 25537280), (32, 24739240), (40, 19791392), (62, 12768640), (64, 12369620), (71, 11150080), (80, 9895696), (124, 6384320), (128, 6184810), (142, 5575040), (155, 5107456), (160, 4947848), (248, 3192160), (256, 3092405), (281, 2817280), (284, 2787520), (310, 2553728), (320, 2473924), (355, 2230016), (496, 1596080), (562, 1408640), (568, 1393760), (620, 1276864), (640, 1236962), (710, 1115008), (992, 798040), (1124, 704320), (1136, 696880), (1240, 638432), (1280, 618481), (1405, 563456), (1420, 557504), (1984, 399020), (2201, 359680), (2248, 352160), (2272, 348440), (2480, 319216), (2810, 281728), (2840, 278752), (3968, 199510), (4402, 179840), (4496, 176080), (4544, 174220), (4960, 159608), (5620, 140864), (5680, 139376), (7936, 99755), (8711, 90880), (8804, 89920), (8992, 88040), (9088, 87110), (9920, 79804), (11005, 71936), (11240, 70432), (11360, 69688), (17422, 45440), (17608, 44960), (17984, 44020), (18176, 43555), (19840, 39902), (19951, 39680), (22010, 35968), (22480, 35216), (22720, 34844)]