72285760

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:983

約数の個数: 56

約数和(自身を含む): 172867320

約数和(自身を除く): 100581560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 569, 794, 1138, 1588, 1985, 2276, 2845, 3176, 3970, 4552, 5690, 6352, 7940, 9104, 11380, 12704, 15880, 18208, 22760, 25408, 31760, 36416, 45520, 63520, 91040, 127040, 182080, 225893, 451786, 903572, 1129465, 1807144, 2258930, 3614288, 4517860, 7228576, 9035720, 14457152, 18071440, 36142880, 72285760]

約数ペア:

[(1, 72285760), (2, 36142880), (4, 18071440), (5, 14457152), (8, 9035720), (10, 7228576), (16, 4517860), (20, 3614288), (32, 2258930), (40, 1807144), (64, 1129465), (80, 903572), (160, 451786), (320, 225893), (397, 182080), (569, 127040), (794, 91040), (1138, 63520), (1588, 45520), (1985, 36416), (2276, 31760), (2845, 25408), (3176, 22760), (3970, 18208), (4552, 15880), (5690, 12704), (6352, 11380), (7940, 9104)]