2177240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 5443200

約数和(自身を除く): 3265960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 79, 104, 106, 130, 158, 212, 260, 265, 316, 395, 424, 520, 530, 632, 689, 790, 1027, 1060, 1378, 1580, 2054, 2120, 2756, 3160, 3445, 4108, 4187, 5135, 5512, 6890, 8216, 8374, 10270, 13780, 16748, 20540, 20935, 27560, 33496, 41080, 41870, 54431, 83740, 108862, 167480, 217724, 272155, 435448, 544310, 1088620, 2177240]

約数ペア:

[(1, 2177240), (2, 1088620), (4, 544310), (5, 435448), (8, 272155), (10, 217724), (13, 167480), (20, 108862), (26, 83740), (40, 54431), (52, 41870), (53, 41080), (65, 33496), (79, 27560), (104, 20935), (106, 20540), (130, 16748), (158, 13780), (212, 10270), (260, 8374), (265, 8216), (316, 6890), (395, 5512), (424, 5135), (520, 4187), (530, 4108), (632, 3445), (689, 3160), (790, 2756), (1027, 2120), (1060, 2054), (1378, 1580)]