78983460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{839}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 240327360

約数和(自身を除く): 161343900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 839, 1046, 1569, 1678, 2092, 2517, 2615, 3138, 3356, 4195, 4707, 5034, 5230, 6276, 7551, 7845, 8390, 9414, 10068, 10460, 12585, 15102, 15690, 16780, 18828, 23535, 25170, 30204, 31380, 37755, 47070, 50340, 75510, 94140, 151020, 438797, 877594, 1316391, 1755188, 2193985, 2632782, 3949173, 4387970, 5265564, 6581955, 7898346, 8775940, 13163910, 15796692, 19745865, 26327820, 39491730, 78983460]

約数ペア:

[(1, 78983460), (2, 39491730), (3, 26327820), (4, 19745865), (5, 15796692), (6, 13163910), (9, 8775940), (10, 7898346), (12, 6581955), (15, 5265564), (18, 4387970), (20, 3949173), (30, 2632782), (36, 2193985), (45, 1755188), (60, 1316391), (90, 877594), (180, 438797), (523, 151020), (839, 94140), (1046, 75510), (1569, 50340), (1678, 47070), (2092, 37755), (2517, 31380), (2615, 30204), (3138, 25170), (3356, 23535), (4195, 18828), (4707, 16780), (5034, 15690), (5230, 15102), (6276, 12585), (7551, 10460), (7845, 10068), (8390, 9414)]