18270480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 57049920

約数和(自身を除く): 38779440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 283, 538, 566, 807, 849, 1076, 1132, 1345, 1415, 1614, 1698, 2152, 2264, 2690, 2830, 3228, 3396, 4035, 4245, 4304, 4528, 5380, 5660, 6456, 6792, 8070, 8490, 10760, 11320, 12912, 13584, 16140, 16980, 21520, 22640, 32280, 33960, 64560, 67920, 76127, 152254, 228381, 304508, 380635, 456762, 609016, 761270, 913524, 1141905, 1218032, 1522540, 1827048, 2283810, 3045080, 3654096, 4567620, 6090160, 9135240, 18270480]

約数ペア:

[(1, 18270480), (2, 9135240), (3, 6090160), (4, 4567620), (5, 3654096), (6, 3045080), (8, 2283810), (10, 1827048), (12, 1522540), (15, 1218032), (16, 1141905), (20, 913524), (24, 761270), (30, 609016), (40, 456762), (48, 380635), (60, 304508), (80, 228381), (120, 152254), (240, 76127), (269, 67920), (283, 64560), (538, 33960), (566, 32280), (807, 22640), (849, 21520), (1076, 16980), (1132, 16140), (1345, 13584), (1415, 12912), (1614, 11320), (1698, 10760), (2152, 8490), (2264, 8070), (2690, 6792), (2830, 6456), (3228, 5660), (3396, 5380), (4035, 4528), (4245, 4304)]