81325280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1092

約数の個数: 96

約数和(自身を含む): 210651840

約数和(自身を除く): 129326560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 340, 464, 493, 544, 580, 680, 928, 986, 1031, 1160, 1360, 1972, 2062, 2320, 2465, 2720, 3944, 4124, 4640, 4930, 5155, 7888, 8248, 9860, 10310, 15776, 16496, 17527, 19720, 20620, 29899, 32992, 35054, 39440, 41240, 59798, 70108, 78880, 82480, 87635, 119596, 140216, 149495, 164960, 175270, 239192, 280432, 298990, 350540, 478384, 508283, 560864, 597980, 701080, 956768, 1016566, 1195960, 1402160, 2033132, 2391920, 2541415, 2804320, 4066264, 4783840, 5082830, 8132528, 10165660, 16265056, 20331320, 40662640, 81325280]

約数ペア:

[(1, 81325280), (2, 40662640), (4, 20331320), (5, 16265056), (8, 10165660), (10, 8132528), (16, 5082830), (17, 4783840), (20, 4066264), (29, 2804320), (32, 2541415), (34, 2391920), (40, 2033132), (58, 1402160), (68, 1195960), (80, 1016566), (85, 956768), (116, 701080), (136, 597980), (145, 560864), (160, 508283), (170, 478384), (232, 350540), (272, 298990), (290, 280432), (340, 239192), (464, 175270), (493, 164960), (544, 149495), (580, 140216), (680, 119596), (928, 87635), (986, 82480), (1031, 78880), (1160, 70108), (1360, 59798), (1972, 41240), (2062, 39440), (2320, 35054), (2465, 32992), (2720, 29899), (3944, 20620), (4124, 19720), (4640, 17527), (4930, 16496), (5155, 15776), (7888, 10310), (8248, 9860)]