2018601180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{17333}}^1$

素因数の和:17995

約数の個数: 72

約数和(自身を含む): 6132907872

約数和(自身を除く): 4114306692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1941, 2588, 3235, 3882, 5823, 6470, 7764, 9705, 11646, 12940, 17333, 19410, 23292, 29115, 34666, 38820, 51999, 58230, 69332, 86665, 103998, 116460, 155997, 173330, 207996, 259995, 311994, 346660, 519990, 623988, 779985, 1039980, 1559970, 3119940, 11214451, 22428902, 33643353, 44857804, 56072255, 67286706, 100930059, 112144510, 134573412, 168216765, 201860118, 224289020, 336433530, 403720236, 504650295, 672867060, 1009300590, 2018601180]

約数ペア:

[(1, 2018601180), (2, 1009300590), (3, 672867060), (4, 504650295), (5, 403720236), (6, 336433530), (9, 224289020), (10, 201860118), (12, 168216765), (15, 134573412), (18, 112144510), (20, 100930059), (30, 67286706), (36, 56072255), (45, 44857804), (60, 33643353), (90, 22428902), (180, 11214451), (647, 3119940), (1294, 1559970), (1941, 1039980), (2588, 779985), (3235, 623988), (3882, 519990), (5823, 346660), (6470, 311994), (7764, 259995), (9705, 207996), (11646, 173330), (12940, 155997), (17333, 116460), (19410, 103998), (23292, 86665), (29115, 69332), (34666, 58230), (38820, 51999)]