215353280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 112

約数和(自身を含む): 560929536

約数和(自身を除く): 345576256

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, 496, 527, 544, 620, 680, 992, 1054, 1088, 1240, 1277, 1360, 1984, 2108, 2480, 2554, 2635, 2720, 4216, 4960, 5108, 5270, 5440, 6385, 8432, 9920, 10216, 10540, 12770, 16864, 20432, 21080, 21709, 25540, 33728, 39587, 40864, 42160, 43418, 51080, 79174, 81728, 84320, 86836, 102160, 108545, 158348, 168640, 173672, 197935, 204320, 217090, 316696, 347344, 395870, 408640, 434180, 633392, 672979, 694688, 791740, 868360, 1266784, 1345958, 1389376, 1583480, 1736720, 2533568, 2691916, 3166960, 3364895, 3473440, 5383832, 6333920, 6729790, 6946880, 10767664, 12667840, 13459580, 21535328, 26919160, 43070656, 53838320, 107676640, 215353280]

約数ペア:

[(1, 215353280), (2, 107676640), (4, 53838320), (5, 43070656), (8, 26919160), (10, 21535328), (16, 13459580), (17, 12667840), (20, 10767664), (31, 6946880), (32, 6729790), (34, 6333920), (40, 5383832), (62, 3473440), (64, 3364895), (68, 3166960), (80, 2691916), (85, 2533568), (124, 1736720), (136, 1583480), (155, 1389376), (160, 1345958), (170, 1266784), (248, 868360), (272, 791740), (310, 694688), (320, 672979), (340, 633392), (496, 434180), (527, 408640), (544, 395870), (620, 347344), (680, 316696), (992, 217090), (1054, 204320), (1088, 197935), (1240, 173672), (1277, 168640), (1360, 158348), (1984, 108545), (2108, 102160), (2480, 86836), (2554, 84320), (2635, 81728), (2720, 79174), (4216, 51080), (4960, 43418), (5108, 42160), (5270, 40864), (5440, 39587), (6385, 33728), (8432, 25540), (9920, 21709), (10216, 21080), (10540, 20432), (12770, 16864)]