138398520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1229

約数の個数: 128

約数和(自身を含む): 453196800

約数和(自身を除く): 314798280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 780, 790, 948, 1027, 1123, 1185, 1560, 1580, 1896, 2054, 2246, 2370, 3081, 3160, 3369, 4108, 4492, 4740, 5135, 5615, 6162, 6738, 8216, 8984, 9480, 10270, 11230, 12324, 13476, 14599, 15405, 16845, 20540, 22460, 24648, 26952, 29198, 30810, 33690, 41080, 43797, 44920, 58396, 61620, 67380, 72995, 87594, 88717, 116792, 123240, 134760, 145990, 175188, 177434, 218985, 266151, 291980, 350376, 354868, 437970, 443585, 532302, 583960, 709736, 875940, 887170, 1064604, 1153321, 1330755, 1751880, 1774340, 2129208, 2306642, 2661510, 3459963, 3548680, 4613284, 5323020, 5766605, 6919926, 9226568, 10646040, 11533210, 13839852, 17299815, 23066420, 27679704, 34599630, 46132840, 69199260, 138398520]

約数ペア:

[(1, 138398520), (2, 69199260), (3, 46132840), (4, 34599630), (5, 27679704), (6, 23066420), (8, 17299815), (10, 13839852), (12, 11533210), (13, 10646040), (15, 9226568), (20, 6919926), (24, 5766605), (26, 5323020), (30, 4613284), (39, 3548680), (40, 3459963), (52, 2661510), (60, 2306642), (65, 2129208), (78, 1774340), (79, 1751880), (104, 1330755), (120, 1153321), (130, 1064604), (156, 887170), (158, 875940), (195, 709736), (237, 583960), (260, 532302), (312, 443585), (316, 437970), (390, 354868), (395, 350376), (474, 291980), (520, 266151), (632, 218985), (780, 177434), (790, 175188), (948, 145990), (1027, 134760), (1123, 123240), (1185, 116792), (1560, 88717), (1580, 87594), (1896, 72995), (2054, 67380), (2246, 61620), (2370, 58396), (3081, 44920), (3160, 43797), (3369, 41080), (4108, 33690), (4492, 30810), (4740, 29198), (5135, 26952), (5615, 24648), (6162, 22460), (6738, 20540), (8216, 16845), (8984, 15405), (9480, 14599), (10270, 13476), (11230, 12324)]