179431720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11131}}^1$

素因数の和:11186

約数の個数: 64

約数和(自身を含む): 448842240

約数和(自身を除く): 269410520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 11131, 16120, 22262, 44524, 55655, 89048, 111310, 144703, 222620, 289406, 345061, 445240, 578812, 690122, 723515, 1157624, 1380244, 1447030, 1725305, 2760488, 2894060, 3450610, 4485793, 5788120, 6901220, 8971586, 13802440, 17943172, 22428965, 35886344, 44857930, 89715860, 179431720]

約数ペア:

[(1, 179431720), (2, 89715860), (4, 44857930), (5, 35886344), (8, 22428965), (10, 17943172), (13, 13802440), (20, 8971586), (26, 6901220), (31, 5788120), (40, 4485793), (52, 3450610), (62, 2894060), (65, 2760488), (104, 1725305), (124, 1447030), (130, 1380244), (155, 1157624), (248, 723515), (260, 690122), (310, 578812), (403, 445240), (520, 345061), (620, 289406), (806, 222620), (1240, 144703), (1612, 111310), (2015, 89048), (3224, 55655), (4030, 44524), (8060, 22262), (11131, 16120)]