163641920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:452

約数の個数: 112

約数和(自身を含む): 424159680

約数和(自身を除く): 260517760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 139, 160, 208, 260, 278, 283, 320, 416, 520, 556, 566, 695, 832, 1040, 1112, 1132, 1390, 1415, 1807, 2080, 2224, 2264, 2780, 2830, 3614, 3679, 4160, 4448, 4528, 5560, 5660, 7228, 7358, 8896, 9035, 9056, 11120, 11320, 14456, 14716, 18070, 18112, 18395, 22240, 22640, 28912, 29432, 36140, 36790, 39337, 44480, 45280, 57824, 58864, 72280, 73580, 78674, 90560, 115648, 117728, 144560, 147160, 157348, 196685, 235456, 289120, 294320, 314696, 393370, 511381, 578240, 588640, 629392, 786740, 1022762, 1177280, 1258784, 1573480, 2045524, 2517568, 2556905, 3146960, 4091048, 5113810, 6293920, 8182096, 10227620, 12587840, 16364192, 20455240, 32728384, 40910480, 81820960, 163641920]

約数ペア:

[(1, 163641920), (2, 81820960), (4, 40910480), (5, 32728384), (8, 20455240), (10, 16364192), (13, 12587840), (16, 10227620), (20, 8182096), (26, 6293920), (32, 5113810), (40, 4091048), (52, 3146960), (64, 2556905), (65, 2517568), (80, 2045524), (104, 1573480), (130, 1258784), (139, 1177280), (160, 1022762), (208, 786740), (260, 629392), (278, 588640), (283, 578240), (320, 511381), (416, 393370), (520, 314696), (556, 294320), (566, 289120), (695, 235456), (832, 196685), (1040, 157348), (1112, 147160), (1132, 144560), (1390, 117728), (1415, 115648), (1807, 90560), (2080, 78674), (2224, 73580), (2264, 72280), (2780, 58864), (2830, 57824), (3614, 45280), (3679, 44480), (4160, 39337), (4448, 36790), (4528, 36140), (5560, 29432), (5660, 28912), (7228, 22640), (7358, 22240), (8896, 18395), (9035, 18112), (9056, 18070), (11120, 14716), (11320, 14456)]