66754660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 168537600

約数和(自身を除く): 101782940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 263, 343, 370, 490, 518, 526, 686, 740, 980, 1036, 1052, 1295, 1315, 1372, 1715, 1813, 1841, 2590, 2630, 3430, 3626, 3682, 5180, 5260, 6860, 7252, 7364, 9065, 9205, 9731, 12691, 12887, 18130, 18410, 19462, 25382, 25774, 36260, 36820, 38924, 48655, 50764, 51548, 63455, 64435, 68117, 90209, 97310, 126910, 128870, 136234, 180418, 194620, 253820, 257740, 272468, 340585, 360836, 451045, 476819, 681170, 902090, 953638, 1362340, 1804180, 1907276, 2384095, 3337733, 4768190, 6675466, 9536380, 13350932, 16688665, 33377330, 66754660]

約数ペア:

[(1, 66754660), (2, 33377330), (4, 16688665), (5, 13350932), (7, 9536380), (10, 6675466), (14, 4768190), (20, 3337733), (28, 2384095), (35, 1907276), (37, 1804180), (49, 1362340), (70, 953638), (74, 902090), (98, 681170), (140, 476819), (148, 451045), (185, 360836), (196, 340585), (245, 272468), (259, 257740), (263, 253820), (343, 194620), (370, 180418), (490, 136234), (518, 128870), (526, 126910), (686, 97310), (740, 90209), (980, 68117), (1036, 64435), (1052, 63455), (1295, 51548), (1315, 50764), (1372, 48655), (1715, 38924), (1813, 36820), (1841, 36260), (2590, 25774), (2630, 25382), (3430, 19462), (3626, 18410), (3682, 18130), (5180, 12887), (5260, 12691), (6860, 9731), (7252, 9205), (7364, 9065)]