9990270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 26922240

約数和(自身を除く): 16931970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 227, 270, 326, 454, 489, 681, 815, 978, 1135, 1362, 1467, 1630, 2043, 2270, 2445, 2934, 3405, 4086, 4401, 4890, 6129, 6810, 7335, 8802, 10215, 12258, 14670, 20430, 22005, 30645, 37001, 44010, 61290, 74002, 111003, 185005, 222006, 333009, 370010, 555015, 666018, 999027, 1110030, 1665045, 1998054, 3330090, 4995135, 9990270]

約数ペア:

[(1, 9990270), (2, 4995135), (3, 3330090), (5, 1998054), (6, 1665045), (9, 1110030), (10, 999027), (15, 666018), (18, 555015), (27, 370010), (30, 333009), (45, 222006), (54, 185005), (90, 111003), (135, 74002), (163, 61290), (227, 44010), (270, 37001), (326, 30645), (454, 22005), (489, 20430), (681, 14670), (815, 12258), (978, 10215), (1135, 8802), (1362, 7335), (1467, 6810), (1630, 6129), (2043, 4890), (2270, 4401), (2445, 4086), (2934, 3405)]