216785480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2213}}^1$

素因数の和:2334

約数の個数: 64

約数和(自身を含む): 510105600

約数和(自身を除く): 293320120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2213, 2449, 3160, 4426, 4898, 8852, 9796, 11065, 12245, 17704, 19592, 22130, 24490, 44260, 48980, 68603, 88520, 97960, 137206, 174827, 274412, 343015, 349654, 548824, 686030, 699308, 874135, 1372060, 1398616, 1748270, 2744120, 3496540, 5419637, 6993080, 10839274, 21678548, 27098185, 43357096, 54196370, 108392740, 216785480]

約数ペア:

[(1, 216785480), (2, 108392740), (4, 54196370), (5, 43357096), (8, 27098185), (10, 21678548), (20, 10839274), (31, 6993080), (40, 5419637), (62, 3496540), (79, 2744120), (124, 1748270), (155, 1398616), (158, 1372060), (248, 874135), (310, 699308), (316, 686030), (395, 548824), (620, 349654), (632, 343015), (790, 274412), (1240, 174827), (1580, 137206), (2213, 97960), (2449, 88520), (3160, 68603), (4426, 48980), (4898, 44260), (8852, 24490), (9796, 22130), (11065, 19592), (12245, 17704)]