31681680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 99261504

約数和(自身を除く): 67579824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1307, 1515, 1616, 2020, 2424, 2614, 3030, 3921, 4040, 4848, 5228, 6060, 6535, 7842, 8080, 10456, 12120, 13070, 15684, 19605, 20912, 24240, 26140, 31368, 39210, 52280, 62736, 78420, 104560, 132007, 156840, 264014, 313680, 396021, 528028, 660035, 792042, 1056056, 1320070, 1584084, 1980105, 2112112, 2640140, 3168168, 3960210, 5280280, 6336336, 7920420, 10560560, 15840840, 31681680]

約数ペア:

[(1, 31681680), (2, 15840840), (3, 10560560), (4, 7920420), (5, 6336336), (6, 5280280), (8, 3960210), (10, 3168168), (12, 2640140), (15, 2112112), (16, 1980105), (20, 1584084), (24, 1320070), (30, 1056056), (40, 792042), (48, 660035), (60, 528028), (80, 396021), (101, 313680), (120, 264014), (202, 156840), (240, 132007), (303, 104560), (404, 78420), (505, 62736), (606, 52280), (808, 39210), (1010, 31368), (1212, 26140), (1307, 24240), (1515, 20912), (1616, 19605), (2020, 15684), (2424, 13070), (2614, 12120), (3030, 10456), (3921, 8080), (4040, 7842), (4848, 6535), (5228, 6060)]