90900540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1447}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 276712800

約数和(自身を除く): 185812260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1447, 1745, 2094, 2894, 3141, 3490, 4188, 4341, 5235, 5788, 6282, 6980, 7235, 8682, 10470, 12564, 13023, 14470, 15705, 17364, 20940, 21705, 26046, 28940, 31410, 43410, 52092, 62820, 65115, 86820, 130230, 260460, 505003, 1010006, 1515009, 2020012, 2525015, 3030018, 4545027, 5050030, 6060036, 7575045, 9090054, 10100060, 15150090, 18180108, 22725135, 30300180, 45450270, 90900540]

約数ペア:

[(1, 90900540), (2, 45450270), (3, 30300180), (4, 22725135), (5, 18180108), (6, 15150090), (9, 10100060), (10, 9090054), (12, 7575045), (15, 6060036), (18, 5050030), (20, 4545027), (30, 3030018), (36, 2525015), (45, 2020012), (60, 1515009), (90, 1010006), (180, 505003), (349, 260460), (698, 130230), (1047, 86820), (1396, 65115), (1447, 62820), (1745, 52092), (2094, 43410), (2894, 31410), (3141, 28940), (3490, 26046), (4188, 21705), (4341, 20940), (5235, 17364), (5788, 15705), (6282, 14470), (6980, 13023), (7235, 12564), (8682, 10470)]