180804400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2139

約数の個数: 120

約数和(自身を含む): 512697344

約数和(自身を除く): 331892944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2083, 2170, 2480, 2800, 3100, 3472, 4166, 4340, 5425, 6200, 8332, 8680, 10415, 10850, 12400, 14581, 16664, 17360, 20830, 21700, 29162, 33328, 41660, 43400, 52075, 58324, 64573, 72905, 83320, 86800, 104150, 116648, 129146, 145810, 166640, 208300, 233296, 258292, 291620, 322865, 364525, 416600, 452011, 516584, 583240, 645730, 729050, 833200, 904022, 1033168, 1166480, 1291460, 1458100, 1614325, 1808044, 2260055, 2582920, 2916200, 3228650, 3616088, 4520110, 5165840, 5832400, 6457300, 7232176, 9040220, 11300275, 12914600, 18080440, 22600550, 25829200, 36160880, 45201100, 90402200, 180804400]

約数ペア:

[(1, 180804400), (2, 90402200), (4, 45201100), (5, 36160880), (7, 25829200), (8, 22600550), (10, 18080440), (14, 12914600), (16, 11300275), (20, 9040220), (25, 7232176), (28, 6457300), (31, 5832400), (35, 5165840), (40, 4520110), (50, 3616088), (56, 3228650), (62, 2916200), (70, 2582920), (80, 2260055), (100, 1808044), (112, 1614325), (124, 1458100), (140, 1291460), (155, 1166480), (175, 1033168), (200, 904022), (217, 833200), (248, 729050), (280, 645730), (310, 583240), (350, 516584), (400, 452011), (434, 416600), (496, 364525), (560, 322865), (620, 291620), (700, 258292), (775, 233296), (868, 208300), (1085, 166640), (1240, 145810), (1400, 129146), (1550, 116648), (1736, 104150), (2083, 86800), (2170, 83320), (2480, 72905), (2800, 64573), (3100, 58324), (3472, 52075), (4166, 43400), (4340, 41660), (5425, 33328), (6200, 29162), (8332, 21700), (8680, 20830), (10415, 17360), (10850, 16664), (12400, 14581)]