291686560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 779194080

約数和(自身を除く): 487507520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 59, 80, 88, 106, 110, 118, 160, 176, 212, 220, 236, 265, 295, 352, 424, 440, 472, 530, 583, 590, 649, 848, 880, 944, 1060, 1166, 1180, 1298, 1696, 1760, 1888, 2120, 2332, 2360, 2596, 2809, 2915, 3127, 3245, 4240, 4664, 4720, 5192, 5618, 5830, 6254, 6490, 8480, 9328, 9440, 10384, 11236, 11660, 12508, 12980, 14045, 15635, 18656, 20768, 22472, 23320, 25016, 25960, 28090, 30899, 31270, 34397, 44944, 46640, 50032, 51920, 56180, 61798, 62540, 68794, 89888, 93280, 100064, 103840, 112360, 123596, 125080, 137588, 154495, 165731, 171985, 224720, 247192, 250160, 275176, 308990, 331462, 343970, 449440, 494384, 500320, 550352, 617980, 662924, 687940, 828655, 988768, 1100704, 1235960, 1325848, 1375880, 1657310, 1823041, 2471920, 2651696, 2751760, 3314620, 3646082, 4943840, 5303392, 5503520, 6629240, 7292164, 9115205, 13258480, 14584328, 18230410, 26516960, 29168656, 36460820, 58337312, 72921640, 145843280, 291686560]

約数ペア:

[(1, 291686560), (2, 145843280), (4, 72921640), (5, 58337312), (8, 36460820), (10, 29168656), (11, 26516960), (16, 18230410), (20, 14584328), (22, 13258480), (32, 9115205), (40, 7292164), (44, 6629240), (53, 5503520), (55, 5303392), (59, 4943840), (80, 3646082), (88, 3314620), (106, 2751760), (110, 2651696), (118, 2471920), (160, 1823041), (176, 1657310), (212, 1375880), (220, 1325848), (236, 1235960), (265, 1100704), (295, 988768), (352, 828655), (424, 687940), (440, 662924), (472, 617980), (530, 550352), (583, 500320), (590, 494384), (649, 449440), (848, 343970), (880, 331462), (944, 308990), (1060, 275176), (1166, 250160), (1180, 247192), (1298, 224720), (1696, 171985), (1760, 165731), (1888, 154495), (2120, 137588), (2332, 125080), (2360, 123596), (2596, 112360), (2809, 103840), (2915, 100064), (3127, 93280), (3245, 89888), (4240, 68794), (4664, 62540), (4720, 61798), (5192, 56180), (5618, 51920), (5830, 50032), (6254, 46640), (6490, 44944), (8480, 34397), (9328, 31270), (9440, 30899), (10384, 28090), (11236, 25960), (11660, 25016), (12508, 23320), (12980, 22472), (14045, 20768), (15635, 18656)]