65577420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2621}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 200425680

約数和(自身を除く): 134848260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2621, 2780, 4170, 5004, 5242, 6255, 7863, 8340, 10484, 12510, 13105, 15726, 23589, 25020, 26210, 31452, 39315, 47178, 52420, 78630, 94356, 117945, 157260, 235890, 364319, 471780, 728638, 1092957, 1457276, 1821595, 2185914, 3278871, 3643190, 4371828, 5464785, 6557742, 7286380, 10929570, 13115484, 16394355, 21859140, 32788710, 65577420]

約数ペア:

[(1, 65577420), (2, 32788710), (3, 21859140), (4, 16394355), (5, 13115484), (6, 10929570), (9, 7286380), (10, 6557742), (12, 5464785), (15, 4371828), (18, 3643190), (20, 3278871), (30, 2185914), (36, 1821595), (45, 1457276), (60, 1092957), (90, 728638), (139, 471780), (180, 364319), (278, 235890), (417, 157260), (556, 117945), (695, 94356), (834, 78630), (1251, 52420), (1390, 47178), (1668, 39315), (2085, 31452), (2502, 26210), (2621, 25020), (2780, 23589), (4170, 15726), (5004, 13105), (5242, 12510), (6255, 10484), (7863, 8340)]