204567720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{243533}}^1$

素因数の和:243554

約数の個数: 64

約数和(自身を含む): 701377920

約数和(自身を除く): 496810200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 243533, 487066, 730599, 974132, 1217665, 1461198, 1704731, 1948264, 2435330, 2922396, 3409462, 3652995, 4870660, 5114193, 5844792, 6818924, 7305990, 8523655, 9741320, 10228386, 13637848, 14611980, 17047310, 20456772, 25570965, 29223960, 34094620, 40913544, 51141930, 68189240, 102283860, 204567720]

約数ペア:

[(1, 204567720), (2, 102283860), (3, 68189240), (4, 51141930), (5, 40913544), (6, 34094620), (7, 29223960), (8, 25570965), (10, 20456772), (12, 17047310), (14, 14611980), (15, 13637848), (20, 10228386), (21, 9741320), (24, 8523655), (28, 7305990), (30, 6818924), (35, 5844792), (40, 5114193), (42, 4870660), (56, 3652995), (60, 3409462), (70, 2922396), (84, 2435330), (105, 1948264), (120, 1704731), (140, 1461198), (168, 1217665), (210, 974132), (280, 730599), (420, 487066), (840, 243533)]