18082440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{5581}}^1$

素因数の和:5604

約数の個数: 80

約数和(自身を含む): 60787980

約数和(自身を除く): 42705540

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, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 5581, 11162, 16743, 22324, 27905, 33486, 44648, 50229, 55810, 66972, 83715, 100458, 111620, 133944, 150687, 167430, 200916, 223240, 251145, 301374, 334860, 401832, 452061, 502290, 602748, 669720, 753435, 904122, 1004580, 1205496, 1506870, 1808244, 2009160, 2260305, 3013740, 3616488, 4520610, 6027480, 9041220, 18082440]

約数ペア:

[(1, 18082440), (2, 9041220), (3, 6027480), (4, 4520610), (5, 3616488), (6, 3013740), (8, 2260305), (9, 2009160), (10, 1808244), (12, 1506870), (15, 1205496), (18, 1004580), (20, 904122), (24, 753435), (27, 669720), (30, 602748), (36, 502290), (40, 452061), (45, 401832), (54, 334860), (60, 301374), (72, 251145), (81, 223240), (90, 200916), (108, 167430), (120, 150687), (135, 133944), (162, 111620), (180, 100458), (216, 83715), (270, 66972), (324, 55810), (360, 50229), (405, 44648), (540, 33486), (648, 27905), (810, 22324), (1080, 16743), (1620, 11162), (3240, 5581)]