18216640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 48646080

約数和(自身を除く): 30429440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 151, 160, 208, 232, 260, 290, 302, 320, 377, 416, 464, 520, 580, 604, 754, 755, 832, 928, 1040, 1160, 1208, 1508, 1510, 1856, 1885, 1963, 2080, 2320, 2416, 3016, 3020, 3770, 3926, 4160, 4379, 4640, 4832, 6032, 6040, 7540, 7852, 8758, 9280, 9664, 9815, 12064, 12080, 15080, 15704, 17516, 19630, 21895, 24128, 24160, 30160, 31408, 35032, 39260, 43790, 48320, 56927, 60320, 62816, 70064, 78520, 87580, 113854, 120640, 125632, 140128, 157040, 175160, 227708, 280256, 284635, 314080, 350320, 455416, 569270, 628160, 700640, 910832, 1138540, 1401280, 1821664, 2277080, 3643328, 4554160, 9108320, 18216640]

約数ペア:

[(1, 18216640), (2, 9108320), (4, 4554160), (5, 3643328), (8, 2277080), (10, 1821664), (13, 1401280), (16, 1138540), (20, 910832), (26, 700640), (29, 628160), (32, 569270), (40, 455416), (52, 350320), (58, 314080), (64, 284635), (65, 280256), (80, 227708), (104, 175160), (116, 157040), (130, 140128), (145, 125632), (151, 120640), (160, 113854), (208, 87580), (232, 78520), (260, 70064), (290, 62816), (302, 60320), (320, 56927), (377, 48320), (416, 43790), (464, 39260), (520, 35032), (580, 31408), (604, 30160), (754, 24160), (755, 24128), (832, 21895), (928, 19630), (1040, 17516), (1160, 15704), (1208, 15080), (1508, 12080), (1510, 12064), (1856, 9815), (1885, 9664), (1963, 9280), (2080, 8758), (2320, 7852), (2416, 7540), (3016, 6040), (3020, 6032), (3770, 4832), (3926, 4640), (4160, 4379)]