978019020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2729}}^1$

素因数の和:2936

約数の個数: 144

約数和(自身を含む): 3255426720

約数和(自身を除く): 2277407700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 181, 198, 220, 330, 362, 396, 495, 543, 660, 724, 905, 990, 1086, 1629, 1810, 1980, 1991, 2172, 2715, 2729, 3258, 3620, 3982, 5430, 5458, 5973, 6516, 7964, 8145, 8187, 9955, 10860, 10916, 11946, 13645, 16290, 16374, 17919, 19910, 23892, 24561, 27290, 29865, 30019, 32580, 32748, 35838, 39820, 40935, 49122, 54580, 59730, 60038, 71676, 81870, 89595, 90057, 98244, 119460, 120076, 122805, 150095, 163740, 179190, 180114, 245610, 270171, 300190, 358380, 360228, 450285, 491220, 493949, 540342, 600380, 900570, 987898, 1080684, 1350855, 1481847, 1801140, 1975796, 2469745, 2701710, 2963694, 4445541, 4939490, 5403420, 5433439, 5927388, 7409235, 8891082, 9878980, 10866878, 14818470, 16300317, 17782164, 21733756, 22227705, 27167195, 29636940, 32600634, 44455410, 48900951, 54334390, 65201268, 81501585, 88910820, 97801902, 108668780, 163003170, 195603804, 244504755, 326006340, 489009510, 978019020]

約数ペア:

[(1, 978019020), (2, 489009510), (3, 326006340), (4, 244504755), (5, 195603804), (6, 163003170), (9, 108668780), (10, 97801902), (11, 88910820), (12, 81501585), (15, 65201268), (18, 54334390), (20, 48900951), (22, 44455410), (30, 32600634), (33, 29636940), (36, 27167195), (44, 22227705), (45, 21733756), (55, 17782164), (60, 16300317), (66, 14818470), (90, 10866878), (99, 9878980), (110, 8891082), (132, 7409235), (165, 5927388), (180, 5433439), (181, 5403420), (198, 4939490), (220, 4445541), (330, 2963694), (362, 2701710), (396, 2469745), (495, 1975796), (543, 1801140), (660, 1481847), (724, 1350855), (905, 1080684), (990, 987898), (1086, 900570), (1629, 600380), (1810, 540342), (1980, 493949), (1991, 491220), (2172, 450285), (2715, 360228), (2729, 358380), (3258, 300190), (3620, 270171), (3982, 245610), (5430, 180114), (5458, 179190), (5973, 163740), (6516, 150095), (7964, 122805), (8145, 120076), (8187, 119460), (9955, 98244), (10860, 90057), (10916, 89595), (11946, 81870), (13645, 71676), (16290, 60038), (16374, 59730), (17919, 54580), (19910, 49122), (23892, 40935), (24561, 39820), (27290, 35838), (29865, 32748), (30019, 32580)]