7406720

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 18066240

約数和(自身を除く): 10659520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 163, 284, 320, 326, 355, 568, 640, 652, 710, 815, 1136, 1304, 1420, 1630, 2272, 2608, 2840, 3260, 4544, 5216, 5680, 6520, 9088, 10432, 11360, 11573, 13040, 20864, 22720, 23146, 26080, 45440, 46292, 52160, 57865, 92584, 104320, 115730, 185168, 231460, 370336, 462920, 740672, 925840, 1481344, 1851680, 3703360, 7406720]

約数ペア:

[(1, 7406720), (2, 3703360), (4, 1851680), (5, 1481344), (8, 925840), (10, 740672), (16, 462920), (20, 370336), (32, 231460), (40, 185168), (64, 115730), (71, 104320), (80, 92584), (128, 57865), (142, 52160), (160, 46292), (163, 45440), (284, 26080), (320, 23146), (326, 22720), (355, 20864), (568, 13040), (640, 11573), (652, 11360), (710, 10432), (815, 9088), (1136, 6520), (1304, 5680), (1420, 5216), (1630, 4544), (2272, 3260), (2608, 2840)]