639987840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{111109}}^1$

素因数の和:111134

約数の個数: 96

約数和(自身を含む): 2209977900

約数和(自身を除く): 1569990060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 111109, 222218, 333327, 444436, 555545, 666654, 888872, 999981, 1111090, 1333308, 1666635, 1777744, 1999962, 2222180, 2666616, 3333270, 3555488, 3999924, 4444360, 4999905, 5333232, 6666540, 7110976, 7999848, 8888720, 9999810, 10666464, 13333080, 14221952, 15999696, 17777440, 19999620, 21332928, 26666160, 31999392, 35554880, 39999240, 42665856, 53332320, 63998784, 71109760, 79998480, 106664640, 127997568, 159996960, 213329280, 319993920, 639987840]

約数ペア:

[(1, 639987840), (2, 319993920), (3, 213329280), (4, 159996960), (5, 127997568), (6, 106664640), (8, 79998480), (9, 71109760), (10, 63998784), (12, 53332320), (15, 42665856), (16, 39999240), (18, 35554880), (20, 31999392), (24, 26666160), (30, 21332928), (32, 19999620), (36, 17777440), (40, 15999696), (45, 14221952), (48, 13333080), (60, 10666464), (64, 9999810), (72, 8888720), (80, 7999848), (90, 7110976), (96, 6666540), (120, 5333232), (128, 4999905), (144, 4444360), (160, 3999924), (180, 3555488), (192, 3333270), (240, 2666616), (288, 2222180), (320, 1999962), (360, 1777744), (384, 1666635), (480, 1333308), (576, 1111090), (640, 999981), (720, 888872), (960, 666654), (1152, 555545), (1440, 444436), (1920, 333327), (2880, 222218), (5760, 111109)]