870172480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87719}}^1$

素因数の和:87767

約数の個数: 56

約数和(自身を含む): 2138964480

約数和(自身を除く): 1268792000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 87719, 175438, 350876, 438595, 701752, 877190, 1403504, 1754380, 2719289, 2807008, 3508760, 5438578, 5614016, 7017520, 10877156, 13596445, 14035040, 21754312, 27192890, 28070080, 43508624, 54385780, 87017248, 108771560, 174034496, 217543120, 435086240, 870172480]

約数ペア:

[(1, 870172480), (2, 435086240), (4, 217543120), (5, 174034496), (8, 108771560), (10, 87017248), (16, 54385780), (20, 43508624), (31, 28070080), (32, 27192890), (40, 21754312), (62, 14035040), (64, 13596445), (80, 10877156), (124, 7017520), (155, 5614016), (160, 5438578), (248, 3508760), (310, 2807008), (320, 2719289), (496, 1754380), (620, 1403504), (992, 877190), (1240, 701752), (1984, 438595), (2480, 350876), (4960, 175438), (9920, 87719)]