161131880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44267}}^1$

素因数の和:44298

約数の個数: 64

約数和(自身を含む): 446221440

約数和(自身を除く): 285089560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 44267, 88534, 177068, 221335, 309869, 354136, 442670, 575471, 619738, 885340, 1150942, 1239476, 1549345, 1770680, 2301884, 2478952, 2877355, 3098690, 4028297, 4603768, 5754710, 6197380, 8056594, 11509420, 12394760, 16113188, 20141485, 23018840, 32226376, 40282970, 80565940, 161131880]

約数ペア:

[(1, 161131880), (2, 80565940), (4, 40282970), (5, 32226376), (7, 23018840), (8, 20141485), (10, 16113188), (13, 12394760), (14, 11509420), (20, 8056594), (26, 6197380), (28, 5754710), (35, 4603768), (40, 4028297), (52, 3098690), (56, 2877355), (65, 2478952), (70, 2301884), (91, 1770680), (104, 1549345), (130, 1239476), (140, 1150942), (182, 885340), (260, 619738), (280, 575471), (364, 442670), (455, 354136), (520, 309869), (728, 221335), (910, 177068), (1820, 88534), (3640, 44267)]