2080405575

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2129}}^1$

素因数の和:2289

約数の個数: 72

約数和(自身を含む): 3852454320

約数和(自身を除く): 1772048745

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 101, 129, 215, 225, 303, 387, 505, 645, 909, 1075, 1515, 1935, 2129, 2525, 3225, 4343, 4545, 6387, 7575, 9675, 10645, 13029, 19161, 21715, 22725, 31935, 39087, 53225, 65145, 91547, 95805, 108575, 159675, 195435, 215029, 274641, 325725, 457735, 479025, 645087, 823923, 977175, 1075145, 1373205, 1935261, 2288675, 3225435, 4119615, 5375725, 6866025, 9246247, 9676305, 16127175, 20598075, 27738741, 46231235, 48381525, 83216223, 138693705, 231156175, 416081115, 693468525, 2080405575]

約数ペア:

[(1, 2080405575), (3, 693468525), (5, 416081115), (9, 231156175), (15, 138693705), (25, 83216223), (43, 48381525), (45, 46231235), (75, 27738741), (101, 20598075), (129, 16127175), (215, 9676305), (225, 9246247), (303, 6866025), (387, 5375725), (505, 4119615), (645, 3225435), (909, 2288675), (1075, 1935261), (1515, 1373205), (1935, 1075145), (2129, 977175), (2525, 823923), (3225, 645087), (4343, 479025), (4545, 457735), (6387, 325725), (7575, 274641), (9675, 215029), (10645, 195435), (13029, 159675), (19161, 108575), (21715, 95805), (22725, 91547), (31935, 65145), (39087, 53225)]