64754720

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 159667200

約数和(自身を除く): 94912480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 79, 80, 94, 109, 158, 160, 188, 218, 235, 316, 376, 395, 436, 470, 545, 632, 752, 790, 872, 940, 1090, 1264, 1504, 1580, 1744, 1880, 2180, 2528, 3160, 3488, 3713, 3760, 4360, 5123, 6320, 7426, 7520, 8611, 8720, 10246, 12640, 14852, 17222, 17440, 18565, 20492, 25615, 29704, 34444, 37130, 40984, 43055, 51230, 59408, 68888, 74260, 81968, 86110, 102460, 118816, 137776, 148520, 163936, 172220, 204920, 275552, 297040, 344440, 404717, 409840, 594080, 688880, 809434, 819680, 1377760, 1618868, 2023585, 3237736, 4047170, 6475472, 8094340, 12950944, 16188680, 32377360, 64754720]

約数ペア:

[(1, 64754720), (2, 32377360), (4, 16188680), (5, 12950944), (8, 8094340), (10, 6475472), (16, 4047170), (20, 3237736), (32, 2023585), (40, 1618868), (47, 1377760), (79, 819680), (80, 809434), (94, 688880), (109, 594080), (158, 409840), (160, 404717), (188, 344440), (218, 297040), (235, 275552), (316, 204920), (376, 172220), (395, 163936), (436, 148520), (470, 137776), (545, 118816), (632, 102460), (752, 86110), (790, 81968), (872, 74260), (940, 68888), (1090, 59408), (1264, 51230), (1504, 43055), (1580, 40984), (1744, 37130), (1880, 34444), (2180, 29704), (2528, 25615), (3160, 20492), (3488, 18565), (3713, 17440), (3760, 17222), (4360, 14852), (5123, 12640), (6320, 10246), (7426, 8720), (7520, 8611)]