438638640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{166151}}^1$

素因数の和:166178

約数の個数: 80

約数和(自身を含む): 1483405056

約数和(自身を除く): 1044766416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 166151, 332302, 498453, 664604, 830755, 996906, 1329208, 1661510, 1827661, 1993812, 2492265, 2658416, 3323020, 3655322, 3987624, 4984530, 5482983, 6646040, 7310644, 7975248, 9138305, 9969060, 10965966, 13292080, 14621288, 18276610, 19938120, 21931932, 27414915, 29242576, 36553220, 39876240, 43863864, 54829830, 73106440, 87727728, 109659660, 146212880, 219319320, 438638640]

約数ペア:

[(1, 438638640), (2, 219319320), (3, 146212880), (4, 109659660), (5, 87727728), (6, 73106440), (8, 54829830), (10, 43863864), (11, 39876240), (12, 36553220), (15, 29242576), (16, 27414915), (20, 21931932), (22, 19938120), (24, 18276610), (30, 14621288), (33, 13292080), (40, 10965966), (44, 9969060), (48, 9138305), (55, 7975248), (60, 7310644), (66, 6646040), (80, 5482983), (88, 4984530), (110, 3987624), (120, 3655322), (132, 3323020), (165, 2658416), (176, 2492265), (220, 1993812), (240, 1827661), (264, 1661510), (330, 1329208), (440, 996906), (528, 830755), (660, 664604), (880, 498453), (1320, 332302), (2640, 166151)]