68613840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:661

約数の個数: 120

約数和(自身を含む): 231982920

約数和(自身を除く): 163369080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 233, 240, 360, 409, 466, 699, 720, 818, 932, 1165, 1227, 1398, 1636, 1864, 2045, 2097, 2330, 2454, 2796, 3272, 3495, 3681, 3728, 4090, 4194, 4660, 4908, 5592, 6135, 6544, 6990, 7362, 8180, 8388, 9320, 9816, 10485, 11184, 12270, 13980, 14724, 16360, 16776, 18405, 18640, 19632, 20970, 24540, 27960, 29448, 32720, 33552, 36810, 41940, 49080, 55920, 58896, 73620, 83880, 95297, 98160, 147240, 167760, 190594, 285891, 294480, 381188, 476485, 571782, 762376, 857673, 952970, 1143564, 1429455, 1524752, 1715346, 1905940, 2287128, 2858910, 3430692, 3811880, 4288365, 4574256, 5717820, 6861384, 7623760, 8576730, 11435640, 13722768, 17153460, 22871280, 34306920, 68613840]

約数ペア:

[(1, 68613840), (2, 34306920), (3, 22871280), (4, 17153460), (5, 13722768), (6, 11435640), (8, 8576730), (9, 7623760), (10, 6861384), (12, 5717820), (15, 4574256), (16, 4288365), (18, 3811880), (20, 3430692), (24, 2858910), (30, 2287128), (36, 1905940), (40, 1715346), (45, 1524752), (48, 1429455), (60, 1143564), (72, 952970), (80, 857673), (90, 762376), (120, 571782), (144, 476485), (180, 381188), (233, 294480), (240, 285891), (360, 190594), (409, 167760), (466, 147240), (699, 98160), (720, 95297), (818, 83880), (932, 73620), (1165, 58896), (1227, 55920), (1398, 49080), (1636, 41940), (1864, 36810), (2045, 33552), (2097, 32720), (2330, 29448), (2454, 27960), (2796, 24540), (3272, 20970), (3495, 19632), (3681, 18640), (3728, 18405), (4090, 16776), (4194, 16360), (4660, 14724), (4908, 13980), (5592, 12270), (6135, 11184), (6544, 10485), (6990, 9816), (7362, 9320), (8180, 8388)]