128726720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23663}}^1$

素因数の和:23697

約数の個数: 56

約数和(自身を含む): 324575424

約数和(自身を除く): 195848704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 23663, 47326, 94652, 118315, 189304, 236630, 378608, 402271, 473260, 757216, 804542, 946520, 1514432, 1609084, 1893040, 2011355, 3218168, 3786080, 4022710, 6436336, 7572160, 8045420, 12872672, 16090840, 25745344, 32181680, 64363360, 128726720]

約数ペア:

[(1, 128726720), (2, 64363360), (4, 32181680), (5, 25745344), (8, 16090840), (10, 12872672), (16, 8045420), (17, 7572160), (20, 6436336), (32, 4022710), (34, 3786080), (40, 3218168), (64, 2011355), (68, 1893040), (80, 1609084), (85, 1514432), (136, 946520), (160, 804542), (170, 757216), (272, 473260), (320, 402271), (340, 378608), (544, 236630), (680, 189304), (1088, 118315), (1360, 94652), (2720, 47326), (5440, 23663)]