161291280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15629}}^1$

素因数の和:15688

約数の個数: 80

約数和(自身を含む): 511663680

約数和(自身を除く): 350372400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 15629, 31258, 46887, 62516, 78145, 93774, 125032, 156290, 187548, 234435, 250064, 312580, 375096, 468870, 625160, 672047, 750192, 937740, 1250320, 1344094, 1875480, 2016141, 2688188, 3360235, 3750960, 4032282, 5376376, 6720470, 8064564, 10080705, 10752752, 13440940, 16129128, 20161410, 26881880, 32258256, 40322820, 53763760, 80645640, 161291280]

約数ペア:

[(1, 161291280), (2, 80645640), (3, 53763760), (4, 40322820), (5, 32258256), (6, 26881880), (8, 20161410), (10, 16129128), (12, 13440940), (15, 10752752), (16, 10080705), (20, 8064564), (24, 6720470), (30, 5376376), (40, 4032282), (43, 3750960), (48, 3360235), (60, 2688188), (80, 2016141), (86, 1875480), (120, 1344094), (129, 1250320), (172, 937740), (215, 750192), (240, 672047), (258, 625160), (344, 468870), (430, 375096), (516, 312580), (645, 250064), (688, 234435), (860, 187548), (1032, 156290), (1290, 125032), (1720, 93774), (2064, 78145), (2580, 62516), (3440, 46887), (5160, 31258), (10320, 15629)]