31996860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 110315520

約数和(自身を除く): 78318660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 37, 42, 58, 60, 70, 71, 74, 84, 87, 105, 111, 116, 140, 142, 145, 148, 174, 185, 203, 210, 213, 222, 259, 284, 290, 348, 355, 370, 406, 420, 426, 435, 444, 497, 518, 555, 580, 609, 710, 740, 777, 812, 852, 870, 994, 1015, 1036, 1065, 1073, 1110, 1218, 1295, 1420, 1491, 1554, 1740, 1988, 2030, 2059, 2130, 2146, 2220, 2436, 2485, 2590, 2627, 2982, 3045, 3108, 3219, 3885, 4060, 4118, 4260, 4292, 4970, 5180, 5254, 5365, 5964, 6090, 6177, 6438, 7455, 7511, 7770, 7881, 8236, 9940, 10295, 10508, 10730, 12180, 12354, 12876, 13135, 14413, 14910, 15022, 15540, 15762, 16095, 18389, 20590, 21460, 22533, 24708, 26270, 28826, 29820, 30044, 30885, 31524, 32190, 36778, 37555, 39405, 41180, 43239, 45066, 52540, 55167, 57652, 61770, 64380, 72065, 73556, 75110, 76183, 78810, 86478, 90132, 91945, 110334, 112665, 123540, 144130, 150220, 152366, 157620, 172956, 183890, 216195, 220668, 225330, 228549, 275835, 288260, 304732, 367780, 380915, 432390, 450660, 457098, 533281, 551670, 761830, 864780, 914196, 1066562, 1103340, 1142745, 1523660, 1599843, 2133124, 2285490, 2666405, 3199686, 4570980, 5332810, 6399372, 7999215, 10665620, 15998430, 31996860]

約数ペア:

[(1, 31996860), (2, 15998430), (3, 10665620), (4, 7999215), (5, 6399372), (6, 5332810), (7, 4570980), (10, 3199686), (12, 2666405), (14, 2285490), (15, 2133124), (20, 1599843), (21, 1523660), (28, 1142745), (29, 1103340), (30, 1066562), (35, 914196), (37, 864780), (42, 761830), (58, 551670), (60, 533281), (70, 457098), (71, 450660), (74, 432390), (84, 380915), (87, 367780), (105, 304732), (111, 288260), (116, 275835), (140, 228549), (142, 225330), (145, 220668), (148, 216195), (174, 183890), (185, 172956), (203, 157620), (210, 152366), (213, 150220), (222, 144130), (259, 123540), (284, 112665), (290, 110334), (348, 91945), (355, 90132), (370, 86478), (406, 78810), (420, 76183), (426, 75110), (435, 73556), (444, 72065), (497, 64380), (518, 61770), (555, 57652), (580, 55167), (609, 52540), (710, 45066), (740, 43239), (777, 41180), (812, 39405), (852, 37555), (870, 36778), (994, 32190), (1015, 31524), (1036, 30885), (1065, 30044), (1073, 29820), (1110, 28826), (1218, 26270), (1295, 24708), (1420, 22533), (1491, 21460), (1554, 20590), (1740, 18389), (1988, 16095), (2030, 15762), (2059, 15540), (2130, 15022), (2146, 14910), (2220, 14413), (2436, 13135), (2485, 12876), (2590, 12354), (2627, 12180), (2982, 10730), (3045, 10508), (3108, 10295), (3219, 9940), (3885, 8236), (4060, 7881), (4118, 7770), (4260, 7511), (4292, 7455), (4970, 6438), (5180, 6177), (5254, 6090), (5365, 5964)]