127351280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3203}}^1$

素因数の和:3294

約数の個数: 80

約数和(自身を含む): 343263744

約数和(自身を除く): 215912464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3203, 3976, 4970, 5680, 6406, 7952, 9940, 12812, 16015, 19880, 22421, 25624, 32030, 39760, 44842, 51248, 64060, 89684, 112105, 128120, 179368, 224210, 227413, 256240, 358736, 448420, 454826, 896840, 909652, 1137065, 1591891, 1793680, 1819304, 2274130, 3183782, 3638608, 4548260, 6367564, 7959455, 9096520, 12735128, 15918910, 18193040, 25470256, 31837820, 63675640, 127351280]

約数ペア:

[(1, 127351280), (2, 63675640), (4, 31837820), (5, 25470256), (7, 18193040), (8, 15918910), (10, 12735128), (14, 9096520), (16, 7959455), (20, 6367564), (28, 4548260), (35, 3638608), (40, 3183782), (56, 2274130), (70, 1819304), (71, 1793680), (80, 1591891), (112, 1137065), (140, 909652), (142, 896840), (280, 454826), (284, 448420), (355, 358736), (497, 256240), (560, 227413), (568, 224210), (710, 179368), (994, 128120), (1136, 112105), (1420, 89684), (1988, 64060), (2485, 51248), (2840, 44842), (3203, 39760), (3976, 32030), (4970, 25624), (5680, 22421), (6406, 19880), (7952, 16015), (9940, 12812)]