1081901860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 2540160000

約数和(自身を除く): 1458258140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 269, 310, 403, 499, 538, 620, 806, 998, 1076, 1345, 1612, 1996, 2015, 2495, 2690, 3497, 4030, 4990, 5380, 6487, 6994, 8060, 8339, 9980, 12974, 13988, 15469, 16678, 17485, 25948, 30938, 32435, 33356, 34970, 41695, 61876, 64870, 69940, 77345, 83390, 108407, 129740, 134231, 154690, 166780, 201097, 216814, 268462, 309380, 402194, 433628, 536924, 542035, 671155, 804388, 1005485, 1084070, 1342310, 1745003, 2010970, 2168140, 2684620, 3490006, 4021940, 4161161, 6980012, 8322322, 8725015, 16644644, 17450030, 20805805, 34900060, 41611610, 54095093, 83223220, 108190186, 216380372, 270475465, 540950930, 1081901860]

約数ペア:

[(1, 1081901860), (2, 540950930), (4, 270475465), (5, 216380372), (10, 108190186), (13, 83223220), (20, 54095093), (26, 41611610), (31, 34900060), (52, 20805805), (62, 17450030), (65, 16644644), (124, 8725015), (130, 8322322), (155, 6980012), (260, 4161161), (269, 4021940), (310, 3490006), (403, 2684620), (499, 2168140), (538, 2010970), (620, 1745003), (806, 1342310), (998, 1084070), (1076, 1005485), (1345, 804388), (1612, 671155), (1996, 542035), (2015, 536924), (2495, 433628), (2690, 402194), (3497, 309380), (4030, 268462), (4990, 216814), (5380, 201097), (6487, 166780), (6994, 154690), (8060, 134231), (8339, 129740), (9980, 108407), (12974, 83390), (13988, 77345), (15469, 69940), (16678, 64870), (17485, 61876), (25948, 41695), (30938, 34970), (32435, 33356)]