321378960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{191297}}^1$

素因数の和:191320

約数の個数: 80

約数和(自身を含む): 1138605696

約数和(自身を除く): 817226736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 191297, 382594, 573891, 765188, 956485, 1147782, 1339079, 1530376, 1912970, 2295564, 2678158, 2869455, 3060752, 3825940, 4017237, 4591128, 5356316, 5738910, 6695395, 7651880, 8034474, 9182256, 10712632, 11477820, 13390790, 15303760, 16068948, 20086185, 21425264, 22955640, 26781580, 32137896, 40172370, 45911280, 53563160, 64275792, 80344740, 107126320, 160689480, 321378960]

約数ペア:

[(1, 321378960), (2, 160689480), (3, 107126320), (4, 80344740), (5, 64275792), (6, 53563160), (7, 45911280), (8, 40172370), (10, 32137896), (12, 26781580), (14, 22955640), (15, 21425264), (16, 20086185), (20, 16068948), (21, 15303760), (24, 13390790), (28, 11477820), (30, 10712632), (35, 9182256), (40, 8034474), (42, 7651880), (48, 6695395), (56, 5738910), (60, 5356316), (70, 4591128), (80, 4017237), (84, 3825940), (105, 3060752), (112, 2869455), (120, 2678158), (140, 2295564), (168, 1912970), (210, 1530376), (240, 1339079), (280, 1147782), (336, 956485), (420, 765188), (560, 573891), (840, 382594), (1680, 191297)]