2882220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 8892912

約数和(自身を除く): 6010692

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 397, 484, 605, 660, 726, 794, 1191, 1210, 1452, 1588, 1815, 1985, 2382, 2420, 3630, 3970, 4367, 4764, 5955, 7260, 7940, 8734, 11910, 13101, 17468, 21835, 23820, 26202, 43670, 48037, 52404, 65505, 87340, 96074, 131010, 144111, 192148, 240185, 262020, 288222, 480370, 576444, 720555, 960740, 1441110, 2882220]

約数ペア:

[(1, 2882220), (2, 1441110), (3, 960740), (4, 720555), (5, 576444), (6, 480370), (10, 288222), (11, 262020), (12, 240185), (15, 192148), (20, 144111), (22, 131010), (30, 96074), (33, 87340), (44, 65505), (55, 52404), (60, 48037), (66, 43670), (110, 26202), (121, 23820), (132, 21835), (165, 17468), (220, 13101), (242, 11910), (330, 8734), (363, 7940), (397, 7260), (484, 5955), (605, 4764), (660, 4367), (726, 3970), (794, 3630), (1191, 2420), (1210, 2382), (1452, 1985), (1588, 1815)]