64502640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1007

約数の個数: 120

約数和(自身を含む): 219012768

約数和(自身を除く): 154510128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 887, 909, 1010, 1212, 1515, 1616, 1774, 1818, 2020, 2424, 2661, 3030, 3548, 3636, 4040, 4435, 4545, 4848, 5322, 6060, 7096, 7272, 7983, 8080, 8870, 9090, 10644, 12120, 13305, 14192, 14544, 15966, 17740, 18180, 21288, 24240, 26610, 31932, 35480, 36360, 39915, 42576, 53220, 63864, 70960, 72720, 79830, 89587, 106440, 127728, 159660, 179174, 212880, 268761, 319320, 358348, 447935, 537522, 638640, 716696, 806283, 895870, 1075044, 1343805, 1433392, 1612566, 1791740, 2150088, 2687610, 3225132, 3583480, 4031415, 4300176, 5375220, 6450264, 7166960, 8062830, 10750440, 12900528, 16125660, 21500880, 32251320, 64502640]

約数ペア:

[(1, 64502640), (2, 32251320), (3, 21500880), (4, 16125660), (5, 12900528), (6, 10750440), (8, 8062830), (9, 7166960), (10, 6450264), (12, 5375220), (15, 4300176), (16, 4031415), (18, 3583480), (20, 3225132), (24, 2687610), (30, 2150088), (36, 1791740), (40, 1612566), (45, 1433392), (48, 1343805), (60, 1075044), (72, 895870), (80, 806283), (90, 716696), (101, 638640), (120, 537522), (144, 447935), (180, 358348), (202, 319320), (240, 268761), (303, 212880), (360, 179174), (404, 159660), (505, 127728), (606, 106440), (720, 89587), (808, 79830), (887, 72720), (909, 70960), (1010, 63864), (1212, 53220), (1515, 42576), (1616, 39915), (1774, 36360), (1818, 35480), (2020, 31932), (2424, 26610), (2661, 24240), (3030, 21288), (3548, 18180), (3636, 17740), (4040, 15966), (4435, 14544), (4545, 14192), (4848, 13305), (5322, 12120), (6060, 10644), (7096, 9090), (7272, 8870), (7983, 8080)]