56604780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2003}}^1$

素因数の和:2175

約数の個数: 72

約数和(自身を含む): 172881072

約数和(自身を除く): 116276292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2003, 2355, 2826, 3140, 4006, 4710, 5652, 6009, 7065, 8012, 9420, 10015, 12018, 14130, 18027, 20030, 24036, 28260, 30045, 36054, 40060, 60090, 72108, 90135, 120180, 180270, 314471, 360540, 628942, 943413, 1257884, 1572355, 1886826, 2830239, 3144710, 3773652, 4717065, 5660478, 6289420, 9434130, 11320956, 14151195, 18868260, 28302390, 56604780]

約数ペア:

[(1, 56604780), (2, 28302390), (3, 18868260), (4, 14151195), (5, 11320956), (6, 9434130), (9, 6289420), (10, 5660478), (12, 4717065), (15, 3773652), (18, 3144710), (20, 2830239), (30, 1886826), (36, 1572355), (45, 1257884), (60, 943413), (90, 628942), (157, 360540), (180, 314471), (314, 180270), (471, 120180), (628, 90135), (785, 72108), (942, 60090), (1413, 40060), (1570, 36054), (1884, 30045), (2003, 28260), (2355, 24036), (2826, 20030), (3140, 18027), (4006, 14130), (4710, 12018), (5652, 10015), (6009, 9420), (7065, 8012)]