7661720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1583}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 11298760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1583, 2420, 3166, 4840, 6332, 7915, 12664, 15830, 17413, 31660, 34826, 63320, 69652, 87065, 139304, 174130, 191543, 348260, 383086, 696520, 766172, 957715, 1532344, 1915430, 3830860, 7661720]

約数ペア:

[(1, 7661720), (2, 3830860), (4, 1915430), (5, 1532344), (8, 957715), (10, 766172), (11, 696520), (20, 383086), (22, 348260), (40, 191543), (44, 174130), (55, 139304), (88, 87065), (110, 69652), (121, 63320), (220, 34826), (242, 31660), (440, 17413), (484, 15830), (605, 12664), (968, 7915), (1210, 6332), (1583, 4840), (2420, 3166)]