68115680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 72

約数和(自身を含む): 166657176

約数和(自身を除く): 98541496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 443, 496, 620, 886, 961, 992, 1240, 1772, 1922, 2215, 2480, 3544, 3844, 4430, 4805, 4960, 7088, 7688, 8860, 9610, 13733, 14176, 15376, 17720, 19220, 27466, 30752, 35440, 38440, 54932, 68665, 70880, 76880, 109864, 137330, 153760, 219728, 274660, 425723, 439456, 549320, 851446, 1098640, 1702892, 2128615, 2197280, 3405784, 4257230, 6811568, 8514460, 13623136, 17028920, 34057840, 68115680]

約数ペア:

[(1, 68115680), (2, 34057840), (4, 17028920), (5, 13623136), (8, 8514460), (10, 6811568), (16, 4257230), (20, 3405784), (31, 2197280), (32, 2128615), (40, 1702892), (62, 1098640), (80, 851446), (124, 549320), (155, 439456), (160, 425723), (248, 274660), (310, 219728), (443, 153760), (496, 137330), (620, 109864), (886, 76880), (961, 70880), (992, 68665), (1240, 54932), (1772, 38440), (1922, 35440), (2215, 30752), (2480, 27466), (3544, 19220), (3844, 17720), (4430, 15376), (4805, 14176), (4960, 13733), (7088, 9610), (7688, 8860)]