1980450

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{163}}^1$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 5551728

約数和(自身を除く): 3571278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 163, 225, 243, 270, 326, 405, 450, 486, 489, 675, 810, 815, 978, 1215, 1350, 1467, 1630, 2025, 2430, 2445, 2934, 4050, 4075, 4401, 4890, 6075, 7335, 8150, 8802, 12150, 12225, 13203, 14670, 22005, 24450, 26406, 36675, 39609, 44010, 66015, 73350, 79218, 110025, 132030, 198045, 220050, 330075, 396090, 660150, 990225, 1980450]

約数ペア:

[(1, 1980450), (2, 990225), (3, 660150), (5, 396090), (6, 330075), (9, 220050), (10, 198045), (15, 132030), (18, 110025), (25, 79218), (27, 73350), (30, 66015), (45, 44010), (50, 39609), (54, 36675), (75, 26406), (81, 24450), (90, 22005), (135, 14670), (150, 13203), (162, 12225), (163, 12150), (225, 8802), (243, 8150), (270, 7335), (326, 6075), (405, 4890), (450, 4401), (486, 4075), (489, 4050), (675, 2934), (810, 2445), (815, 2430), (978, 2025), (1215, 1630), (1350, 1467)]