68973760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 112

約数和(自身を含む): 179953920

約数和(自身を除く): 110980160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 409, 496, 527, 544, 620, 680, 818, 992, 1054, 1088, 1240, 1360, 1636, 1984, 2045, 2108, 2480, 2635, 2720, 3272, 4090, 4216, 4960, 5270, 5440, 6544, 6953, 8180, 8432, 9920, 10540, 12679, 13088, 13906, 16360, 16864, 21080, 25358, 26176, 27812, 32720, 33728, 34765, 42160, 50716, 55624, 63395, 65440, 69530, 84320, 101432, 111248, 126790, 130880, 139060, 168640, 202864, 215543, 222496, 253580, 278120, 405728, 431086, 444992, 507160, 556240, 811456, 862172, 1014320, 1077715, 1112480, 1724344, 2028640, 2155430, 2224960, 3448688, 4057280, 4310860, 6897376, 8621720, 13794752, 17243440, 34486880, 68973760]

約数ペア:

[(1, 68973760), (2, 34486880), (4, 17243440), (5, 13794752), (8, 8621720), (10, 6897376), (16, 4310860), (17, 4057280), (20, 3448688), (31, 2224960), (32, 2155430), (34, 2028640), (40, 1724344), (62, 1112480), (64, 1077715), (68, 1014320), (80, 862172), (85, 811456), (124, 556240), (136, 507160), (155, 444992), (160, 431086), (170, 405728), (248, 278120), (272, 253580), (310, 222496), (320, 215543), (340, 202864), (409, 168640), (496, 139060), (527, 130880), (544, 126790), (620, 111248), (680, 101432), (818, 84320), (992, 69530), (1054, 65440), (1088, 63395), (1240, 55624), (1360, 50716), (1636, 42160), (1984, 34765), (2045, 33728), (2108, 32720), (2480, 27812), (2635, 26176), (2720, 25358), (3272, 21080), (4090, 16864), (4216, 16360), (4960, 13906), (5270, 13088), (5440, 12679), (6544, 10540), (6953, 9920), (8180, 8432)]