64841920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 168

約数和(自身を含む): 184068720

約数和(自身を除く): 119226800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 109, 110, 130, 143, 160, 169, 176, 208, 218, 220, 260, 286, 320, 338, 352, 416, 436, 440, 520, 545, 572, 676, 704, 715, 832, 845, 872, 880, 1040, 1090, 1144, 1199, 1352, 1417, 1430, 1690, 1744, 1760, 1859, 2080, 2180, 2288, 2398, 2704, 2834, 2860, 3380, 3488, 3520, 3718, 4160, 4360, 4576, 4796, 5408, 5668, 5720, 5995, 6760, 6976, 7085, 7436, 8720, 9152, 9295, 9592, 10816, 11336, 11440, 11990, 13520, 14170, 14872, 15587, 17440, 18421, 18590, 19184, 22672, 22880, 23980, 27040, 28340, 29744, 31174, 34880, 36842, 37180, 38368, 45344, 45760, 47960, 54080, 56680, 59488, 62348, 73684, 74360, 76736, 77935, 90688, 92105, 95920, 113360, 118976, 124696, 147368, 148720, 155870, 184210, 191840, 202631, 226720, 249392, 294736, 297440, 311740, 368420, 383680, 405262, 453440, 498784, 589472, 594880, 623480, 736840, 810524, 997568, 1013155, 1178944, 1246960, 1473680, 1621048, 2026310, 2493920, 2947360, 3242096, 4052620, 4987840, 5894720, 6484192, 8105240, 12968384, 16210480, 32420960, 64841920]

約数ペア:

[(1, 64841920), (2, 32420960), (4, 16210480), (5, 12968384), (8, 8105240), (10, 6484192), (11, 5894720), (13, 4987840), (16, 4052620), (20, 3242096), (22, 2947360), (26, 2493920), (32, 2026310), (40, 1621048), (44, 1473680), (52, 1246960), (55, 1178944), (64, 1013155), (65, 997568), (80, 810524), (88, 736840), (104, 623480), (109, 594880), (110, 589472), (130, 498784), (143, 453440), (160, 405262), (169, 383680), (176, 368420), (208, 311740), (218, 297440), (220, 294736), (260, 249392), (286, 226720), (320, 202631), (338, 191840), (352, 184210), (416, 155870), (436, 148720), (440, 147368), (520, 124696), (545, 118976), (572, 113360), (676, 95920), (704, 92105), (715, 90688), (832, 77935), (845, 76736), (872, 74360), (880, 73684), (1040, 62348), (1090, 59488), (1144, 56680), (1199, 54080), (1352, 47960), (1417, 45760), (1430, 45344), (1690, 38368), (1744, 37180), (1760, 36842), (1859, 34880), (2080, 31174), (2180, 29744), (2288, 28340), (2398, 27040), (2704, 23980), (2834, 22880), (2860, 22672), (3380, 19184), (3488, 18590), (3520, 18421), (3718, 17440), (4160, 15587), (4360, 14872), (4576, 14170), (4796, 13520), (5408, 11990), (5668, 11440), (5720, 11336), (5995, 10816), (6760, 9592), (6976, 9295), (7085, 9152), (7436, 8720)]