64005720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5281}}^1$

素因数の和:5396

約数の個数: 64

約数和(自身を含む): 193955040

約数和(自身を除く): 129949320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 5281, 6060, 10562, 12120, 15843, 21124, 26405, 31686, 42248, 52810, 63372, 79215, 105620, 126744, 158430, 211240, 316860, 533381, 633720, 1066762, 1600143, 2133524, 2666905, 3200286, 4267048, 5333810, 6400572, 8000715, 10667620, 12801144, 16001430, 21335240, 32002860, 64005720]

約数ペア:

[(1, 64005720), (2, 32002860), (3, 21335240), (4, 16001430), (5, 12801144), (6, 10667620), (8, 8000715), (10, 6400572), (12, 5333810), (15, 4267048), (20, 3200286), (24, 2666905), (30, 2133524), (40, 1600143), (60, 1066762), (101, 633720), (120, 533381), (202, 316860), (303, 211240), (404, 158430), (505, 126744), (606, 105620), (808, 79215), (1010, 63372), (1212, 52810), (1515, 42248), (2020, 31686), (2424, 26405), (3030, 21124), (4040, 15843), (5281, 12120), (6060, 10562)]