645873408

素因数分解:

$2^8\times 3^2\times {\mathrm{280327}}^1$

素因数の和:280349

約数の個数: 54

約数和(自身を含む): 1862218904

約数和(自身を除く): 1216345496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 280327, 560654, 840981, 1121308, 1681962, 2242616, 2522943, 3363924, 4485232, 5045886, 6727848, 8970464, 10091772, 13455696, 17940928, 20183544, 26911392, 35881856, 40367088, 53822784, 71763712, 80734176, 107645568, 161468352, 215291136, 322936704, 645873408]

約数ペア:

[(1, 645873408), (2, 322936704), (3, 215291136), (4, 161468352), (6, 107645568), (8, 80734176), (9, 71763712), (12, 53822784), (16, 40367088), (18, 35881856), (24, 26911392), (32, 20183544), (36, 17940928), (48, 13455696), (64, 10091772), (72, 8970464), (96, 6727848), (128, 5045886), (144, 4485232), (192, 3363924), (256, 2522943), (288, 2242616), (384, 1681962), (576, 1121308), (768, 840981), (1152, 560654), (2304, 280327)]