81417760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 96

約数和(自身を含む): 209427120

約数和(自身を除く): 128009360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 340, 370, 544, 592, 629, 680, 740, 809, 1184, 1258, 1360, 1480, 1618, 2516, 2720, 2960, 3145, 3236, 4045, 5032, 5920, 6290, 6472, 8090, 10064, 12580, 12944, 13753, 16180, 20128, 25160, 25888, 27506, 29933, 32360, 50320, 55012, 59866, 64720, 68765, 100640, 110024, 119732, 129440, 137530, 149665, 220048, 239464, 275060, 299330, 440096, 478928, 508861, 550120, 598660, 957856, 1017722, 1100240, 1197320, 2035444, 2200480, 2394640, 2544305, 4070888, 4789280, 5088610, 8141776, 10177220, 16283552, 20354440, 40708880, 81417760]

約数ペア:

[(1, 81417760), (2, 40708880), (4, 20354440), (5, 16283552), (8, 10177220), (10, 8141776), (16, 5088610), (17, 4789280), (20, 4070888), (32, 2544305), (34, 2394640), (37, 2200480), (40, 2035444), (68, 1197320), (74, 1100240), (80, 1017722), (85, 957856), (136, 598660), (148, 550120), (160, 508861), (170, 478928), (185, 440096), (272, 299330), (296, 275060), (340, 239464), (370, 220048), (544, 149665), (592, 137530), (629, 129440), (680, 119732), (740, 110024), (809, 100640), (1184, 68765), (1258, 64720), (1360, 59866), (1480, 55012), (1618, 50320), (2516, 32360), (2720, 29933), (2960, 27506), (3145, 25888), (3236, 25160), (4045, 20128), (5032, 16180), (5920, 13753), (6290, 12944), (6472, 12580), (8090, 10064)]