207655440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{865231}}^1$

素因数の和:865247

約数の個数: 40

約数和(自身を含む): 643732608

約数和(自身を除く): 436077168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 865231, 1730462, 2595693, 3460924, 4326155, 5191386, 6921848, 8652310, 10382772, 12978465, 13843696, 17304620, 20765544, 25956930, 34609240, 41531088, 51913860, 69218480, 103827720, 207655440]

約数ペア:

[(1, 207655440), (2, 103827720), (3, 69218480), (4, 51913860), (5, 41531088), (6, 34609240), (8, 25956930), (10, 20765544), (12, 17304620), (15, 13843696), (16, 12978465), (20, 10382772), (24, 8652310), (30, 6921848), (40, 5191386), (48, 4326155), (60, 3460924), (80, 2595693), (120, 1730462), (240, 865231)]