18399960

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{631}}^1$

素因数の和:660

約数の個数: 112

約数和(自身を含む): 62169840

約数和(自身を除く): 43769880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 631, 648, 729, 810, 972, 1080, 1215, 1262, 1458, 1620, 1893, 1944, 2430, 2524, 2916, 3155, 3240, 3645, 3786, 4860, 5048, 5679, 5832, 6310, 7290, 7572, 9465, 9720, 11358, 12620, 14580, 15144, 17037, 18930, 22716, 25240, 28395, 29160, 34074, 37860, 45432, 51111, 56790, 68148, 75720, 85185, 102222, 113580, 136296, 153333, 170370, 204444, 227160, 255555, 306666, 340740, 408888, 459999, 511110, 613332, 681480, 766665, 919998, 1022220, 1226664, 1533330, 1839996, 2044440, 2299995, 3066660, 3679992, 4599990, 6133320, 9199980, 18399960]

約数ペア:

[(1, 18399960), (2, 9199980), (3, 6133320), (4, 4599990), (5, 3679992), (6, 3066660), (8, 2299995), (9, 2044440), (10, 1839996), (12, 1533330), (15, 1226664), (18, 1022220), (20, 919998), (24, 766665), (27, 681480), (30, 613332), (36, 511110), (40, 459999), (45, 408888), (54, 340740), (60, 306666), (72, 255555), (81, 227160), (90, 204444), (108, 170370), (120, 153333), (135, 136296), (162, 113580), (180, 102222), (216, 85185), (243, 75720), (270, 68148), (324, 56790), (360, 51111), (405, 45432), (486, 37860), (540, 34074), (631, 29160), (648, 28395), (729, 25240), (810, 22716), (972, 18930), (1080, 17037), (1215, 15144), (1262, 14580), (1458, 12620), (1620, 11358), (1893, 9720), (1944, 9465), (2430, 7572), (2524, 7290), (2916, 6310), (3155, 5832), (3240, 5679), (3645, 5048), (3786, 4860)]