15691444640

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1\times {\mathrm{829}}^1$

素因数の和:1546

約数の個数: 96

約数和(自身を含む): 37336314960

約数和(自身を除く): 21644870320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 421, 562, 829, 842, 1124, 1405, 1658, 1684, 2105, 2248, 2810, 3316, 3368, 4145, 4210, 4496, 5620, 6632, 6736, 8290, 8420, 8992, 11240, 13264, 13472, 16580, 16840, 22480, 26528, 33160, 33680, 44960, 66320, 67360, 118301, 132640, 232949, 236602, 349009, 465898, 473204, 591505, 698018, 931796, 946408, 1164745, 1183010, 1396036, 1745045, 1863592, 1892816, 2329490, 2366020, 2792072, 3490090, 3727184, 3785632, 4658980, 4732040, 5584144, 6980180, 7454368, 9317960, 9464080, 11168288, 13960360, 18635920, 18928160, 27920720, 37271840, 55841440, 98071529, 196143058, 392286116, 490357645, 784572232, 980715290, 1569144464, 1961430580, 3138288928, 3922861160, 7845722320, 15691444640]

約数ペア:

[(1, 15691444640), (2, 7845722320), (4, 3922861160), (5, 3138288928), (8, 1961430580), (10, 1569144464), (16, 980715290), (20, 784572232), (32, 490357645), (40, 392286116), (80, 196143058), (160, 98071529), (281, 55841440), (421, 37271840), (562, 27920720), (829, 18928160), (842, 18635920), (1124, 13960360), (1405, 11168288), (1658, 9464080), (1684, 9317960), (2105, 7454368), (2248, 6980180), (2810, 5584144), (3316, 4732040), (3368, 4658980), (4145, 3785632), (4210, 3727184), (4496, 3490090), (5620, 2792072), (6632, 2366020), (6736, 2329490), (8290, 1892816), (8420, 1863592), (8992, 1745045), (11240, 1396036), (13264, 1183010), (13472, 1164745), (16580, 946408), (16840, 931796), (22480, 698018), (26528, 591505), (33160, 473204), (33680, 465898), (44960, 349009), (66320, 236602), (67360, 232949), (118301, 132640)]