69020720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 165941760

約数和(自身を除く): 96921040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 79, 80, 134, 158, 163, 268, 316, 326, 335, 395, 536, 632, 652, 670, 790, 815, 1072, 1264, 1304, 1340, 1580, 1630, 2608, 2680, 3160, 3260, 5293, 5360, 6320, 6520, 10586, 10921, 12877, 13040, 21172, 21842, 25754, 26465, 42344, 43684, 51508, 52930, 54605, 64385, 84688, 87368, 103016, 105860, 109210, 128770, 174736, 206032, 211720, 218420, 257540, 423440, 436840, 515080, 862759, 873680, 1030160, 1725518, 3451036, 4313795, 6902072, 8627590, 13804144, 17255180, 34510360, 69020720]

約数ペア:

[(1, 69020720), (2, 34510360), (4, 17255180), (5, 13804144), (8, 8627590), (10, 6902072), (16, 4313795), (20, 3451036), (40, 1725518), (67, 1030160), (79, 873680), (80, 862759), (134, 515080), (158, 436840), (163, 423440), (268, 257540), (316, 218420), (326, 211720), (335, 206032), (395, 174736), (536, 128770), (632, 109210), (652, 105860), (670, 103016), (790, 87368), (815, 84688), (1072, 64385), (1264, 54605), (1304, 52930), (1340, 51508), (1580, 43684), (1630, 42344), (2608, 26465), (2680, 25754), (3160, 21842), (3260, 21172), (5293, 13040), (5360, 12877), (6320, 10921), (6520, 10586)]