61993980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1217}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 188867952

約数和(自身を除く): 126873972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1132, 1217, 1415, 1698, 2434, 2547, 2830, 3396, 3651, 4245, 4868, 5094, 5660, 6085, 7302, 8490, 10188, 10953, 12170, 12735, 14604, 16980, 18255, 21906, 24340, 25470, 36510, 43812, 50940, 54765, 73020, 109530, 219060, 344411, 688822, 1033233, 1377644, 1722055, 2066466, 3099699, 3444110, 4132932, 5166165, 6199398, 6888220, 10332330, 12398796, 15498495, 20664660, 30996990, 61993980]

約数ペア:

[(1, 61993980), (2, 30996990), (3, 20664660), (4, 15498495), (5, 12398796), (6, 10332330), (9, 6888220), (10, 6199398), (12, 5166165), (15, 4132932), (18, 3444110), (20, 3099699), (30, 2066466), (36, 1722055), (45, 1377644), (60, 1033233), (90, 688822), (180, 344411), (283, 219060), (566, 109530), (849, 73020), (1132, 54765), (1217, 50940), (1415, 43812), (1698, 36510), (2434, 25470), (2547, 24340), (2830, 21906), (3396, 18255), (3651, 16980), (4245, 14604), (4868, 12735), (5094, 12170), (5660, 10953), (6085, 10188), (7302, 8490)]