72987480

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{2503}}^1$

素因数の和:2532

約数の個数: 112

約数和(自身を含む): 246318480

約数和(自身を除く): 173331000

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, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2503, 2916, 3240, 3645, 4860, 5006, 5832, 7290, 7509, 9720, 10012, 12515, 14580, 15018, 20024, 22527, 25030, 29160, 30036, 37545, 45054, 50060, 60072, 67581, 75090, 90108, 100120, 112635, 135162, 150180, 180216, 202743, 225270, 270324, 300360, 337905, 405486, 450540, 540648, 608229, 675810, 810972, 901080, 1013715, 1216458, 1351620, 1621944, 1824687, 2027430, 2432916, 2703240, 3041145, 3649374, 4054860, 4865832, 6082290, 7298748, 8109720, 9123435, 12164580, 14597496, 18246870, 24329160, 36493740, 72987480]

約数ペア:

[(1, 72987480), (2, 36493740), (3, 24329160), (4, 18246870), (5, 14597496), (6, 12164580), (8, 9123435), (9, 8109720), (10, 7298748), (12, 6082290), (15, 4865832), (18, 4054860), (20, 3649374), (24, 3041145), (27, 2703240), (30, 2432916), (36, 2027430), (40, 1824687), (45, 1621944), (54, 1351620), (60, 1216458), (72, 1013715), (81, 901080), (90, 810972), (108, 675810), (120, 608229), (135, 540648), (162, 450540), (180, 405486), (216, 337905), (243, 300360), (270, 270324), (324, 225270), (360, 202743), (405, 180216), (486, 150180), (540, 135162), (648, 112635), (729, 100120), (810, 90108), (972, 75090), (1080, 67581), (1215, 60072), (1458, 50060), (1620, 45054), (1944, 37545), (2430, 30036), (2503, 29160), (2916, 25030), (3240, 22527), (3645, 20024), (4860, 15018), (5006, 14580), (5832, 12515), (7290, 10012), (7509, 9720)]