52720020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1693}}^1$

素因数の和:1881

約数の個数: 72

約数和(自身を含む): 160936776

約数和(自身を除く): 108216756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1693, 1730, 2076, 2595, 3114, 3386, 3460, 5079, 5190, 6228, 6772, 7785, 8465, 10158, 10380, 15237, 15570, 16930, 20316, 25395, 30474, 31140, 33860, 50790, 60948, 76185, 101580, 152370, 292889, 304740, 585778, 878667, 1171556, 1464445, 1757334, 2636001, 2928890, 3514668, 4393335, 5272002, 5857780, 8786670, 10544004, 13180005, 17573340, 26360010, 52720020]

約数ペア:

[(1, 52720020), (2, 26360010), (3, 17573340), (4, 13180005), (5, 10544004), (6, 8786670), (9, 5857780), (10, 5272002), (12, 4393335), (15, 3514668), (18, 2928890), (20, 2636001), (30, 1757334), (36, 1464445), (45, 1171556), (60, 878667), (90, 585778), (173, 304740), (180, 292889), (346, 152370), (519, 101580), (692, 76185), (865, 60948), (1038, 50790), (1557, 33860), (1693, 31140), (1730, 30474), (2076, 25395), (2595, 20316), (3114, 16930), (3386, 15570), (3460, 15237), (5079, 10380), (5190, 10158), (6228, 8465), (6772, 7785)]