320475780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13591}}^1$

素因数の和:13737

約数の個数: 72

約数和(自身を含む): 979602624

約数和(自身を除く): 659126844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 11790, 13591, 23580, 27182, 40773, 54364, 67955, 81546, 122319, 135910, 163092, 203865, 244638, 271820, 407730, 489276, 611595, 815460, 1223190, 1780421, 2446380, 3560842, 5341263, 7121684, 8902105, 10682526, 16023789, 17804210, 21365052, 26706315, 32047578, 35608420, 53412630, 64095156, 80118945, 106825260, 160237890, 320475780]

約数ペア:

[(1, 320475780), (2, 160237890), (3, 106825260), (4, 80118945), (5, 64095156), (6, 53412630), (9, 35608420), (10, 32047578), (12, 26706315), (15, 21365052), (18, 17804210), (20, 16023789), (30, 10682526), (36, 8902105), (45, 7121684), (60, 5341263), (90, 3560842), (131, 2446380), (180, 1780421), (262, 1223190), (393, 815460), (524, 611595), (655, 489276), (786, 407730), (1179, 271820), (1310, 244638), (1572, 203865), (1965, 163092), (2358, 135910), (2620, 122319), (3930, 81546), (4716, 67955), (5895, 54364), (7860, 40773), (11790, 27182), (13591, 23580)]