159856020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2237}}^1$

素因数の和:2649

約数の個数: 72

約数和(自身を含む): 486335304

約数和(自身を除く): 326479284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1588, 1985, 2237, 2382, 3573, 3970, 4474, 4764, 5955, 6711, 7146, 7940, 8948, 11185, 11910, 13422, 14292, 17865, 20133, 22370, 23820, 26844, 33555, 35730, 40266, 44740, 67110, 71460, 80532, 100665, 134220, 201330, 402660, 888089, 1776178, 2664267, 3552356, 4440445, 5328534, 7992801, 8880890, 10657068, 13321335, 15985602, 17761780, 26642670, 31971204, 39964005, 53285340, 79928010, 159856020]

約数ペア:

[(1, 159856020), (2, 79928010), (3, 53285340), (4, 39964005), (5, 31971204), (6, 26642670), (9, 17761780), (10, 15985602), (12, 13321335), (15, 10657068), (18, 8880890), (20, 7992801), (30, 5328534), (36, 4440445), (45, 3552356), (60, 2664267), (90, 1776178), (180, 888089), (397, 402660), (794, 201330), (1191, 134220), (1588, 100665), (1985, 80532), (2237, 71460), (2382, 67110), (3573, 44740), (3970, 40266), (4474, 35730), (4764, 33555), (5955, 26844), (6711, 23820), (7146, 22370), (7940, 20133), (8948, 17865), (11185, 14292), (11910, 13422)]