90549180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{881}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 275459184

約数和(自身を除く): 184910004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 571, 881, 1142, 1713, 1762, 2284, 2643, 2855, 3426, 3524, 4405, 5139, 5286, 5710, 6852, 7929, 8565, 8810, 10278, 10572, 11420, 13215, 15858, 17130, 17620, 20556, 25695, 26430, 31716, 34260, 39645, 51390, 52860, 79290, 102780, 158580, 503051, 1006102, 1509153, 2012204, 2515255, 3018306, 4527459, 5030510, 6036612, 7545765, 9054918, 10061020, 15091530, 18109836, 22637295, 30183060, 45274590, 90549180]

約数ペア:

[(1, 90549180), (2, 45274590), (3, 30183060), (4, 22637295), (5, 18109836), (6, 15091530), (9, 10061020), (10, 9054918), (12, 7545765), (15, 6036612), (18, 5030510), (20, 4527459), (30, 3018306), (36, 2515255), (45, 2012204), (60, 1509153), (90, 1006102), (180, 503051), (571, 158580), (881, 102780), (1142, 79290), (1713, 52860), (1762, 51390), (2284, 39645), (2643, 34260), (2855, 31716), (3426, 26430), (3524, 25695), (4405, 20556), (5139, 17620), (5286, 17130), (5710, 15858), (6852, 13215), (7929, 11420), (8565, 10572), (8810, 10278)]