83880420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3469}}^1$

素因数の和:3525

約数の個数: 96

約数和(自身を含む): 261166080

約数和(自身を除く): 177285660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 3469, 4030, 4836, 6045, 6938, 8060, 10407, 12090, 13876, 17345, 20814, 24180, 34690, 41628, 45097, 52035, 69380, 90194, 104070, 107539, 135291, 180388, 208140, 215078, 225485, 270582, 322617, 430156, 450970, 537695, 541164, 645234, 676455, 901940, 1075390, 1290468, 1352910, 1398007, 1613085, 2150780, 2705820, 2796014, 3226170, 4194021, 5592028, 6452340, 6990035, 8388042, 13980070, 16776084, 20970105, 27960140, 41940210, 83880420]

約数ペア:

[(1, 83880420), (2, 41940210), (3, 27960140), (4, 20970105), (5, 16776084), (6, 13980070), (10, 8388042), (12, 6990035), (13, 6452340), (15, 5592028), (20, 4194021), (26, 3226170), (30, 2796014), (31, 2705820), (39, 2150780), (52, 1613085), (60, 1398007), (62, 1352910), (65, 1290468), (78, 1075390), (93, 901940), (124, 676455), (130, 645234), (155, 541164), (156, 537695), (186, 450970), (195, 430156), (260, 322617), (310, 270582), (372, 225485), (390, 215078), (403, 208140), (465, 180388), (620, 135291), (780, 107539), (806, 104070), (930, 90194), (1209, 69380), (1612, 52035), (1860, 45097), (2015, 41628), (2418, 34690), (3469, 24180), (4030, 20814), (4836, 17345), (6045, 13876), (6938, 12090), (8060, 10407)]