81872220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 239339520

約数和(自身を除く): 157467300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 211, 223, 290, 348, 422, 435, 446, 580, 633, 669, 844, 870, 892, 1055, 1115, 1266, 1338, 1740, 2110, 2230, 2532, 2676, 3165, 3345, 4220, 4460, 6119, 6330, 6467, 6690, 12238, 12660, 12934, 13380, 18357, 19401, 24476, 25868, 30595, 32335, 36714, 38802, 47053, 61190, 64670, 73428, 77604, 91785, 94106, 97005, 122380, 129340, 141159, 183570, 188212, 194010, 235265, 282318, 367140, 388020, 470530, 564636, 705795, 941060, 1364537, 1411590, 2729074, 2823180, 4093611, 5458148, 6822685, 8187222, 13645370, 16374444, 20468055, 27290740, 40936110, 81872220]

約数ペア:

[(1, 81872220), (2, 40936110), (3, 27290740), (4, 20468055), (5, 16374444), (6, 13645370), (10, 8187222), (12, 6822685), (15, 5458148), (20, 4093611), (29, 2823180), (30, 2729074), (58, 1411590), (60, 1364537), (87, 941060), (116, 705795), (145, 564636), (174, 470530), (211, 388020), (223, 367140), (290, 282318), (348, 235265), (422, 194010), (435, 188212), (446, 183570), (580, 141159), (633, 129340), (669, 122380), (844, 97005), (870, 94106), (892, 91785), (1055, 77604), (1115, 73428), (1266, 64670), (1338, 61190), (1740, 47053), (2110, 38802), (2230, 36714), (2532, 32335), (2676, 30595), (3165, 25868), (3345, 24476), (4220, 19401), (4460, 18357), (6119, 13380), (6330, 12934), (6467, 12660), (6690, 12238)]