215779920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1877}}^1$

素因数の和:2372

約数の個数: 80

約数和(自身を含む): 670671360

約数和(自身を除く): 454891440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 479, 958, 1437, 1877, 1916, 2395, 2874, 3754, 3832, 4790, 5631, 5748, 7185, 7508, 7664, 9385, 9580, 11262, 11496, 14370, 15016, 18770, 19160, 22524, 22992, 28155, 28740, 30032, 37540, 38320, 45048, 56310, 57480, 75080, 90096, 112620, 114960, 150160, 225240, 450480, 899083, 1798166, 2697249, 3596332, 4495415, 5394498, 7192664, 8990830, 10788996, 13486245, 14385328, 17981660, 21577992, 26972490, 35963320, 43155984, 53944980, 71926640, 107889960, 215779920]

約数ペア:

[(1, 215779920), (2, 107889960), (3, 71926640), (4, 53944980), (5, 43155984), (6, 35963320), (8, 26972490), (10, 21577992), (12, 17981660), (15, 14385328), (16, 13486245), (20, 10788996), (24, 8990830), (30, 7192664), (40, 5394498), (48, 4495415), (60, 3596332), (80, 2697249), (120, 1798166), (240, 899083), (479, 450480), (958, 225240), (1437, 150160), (1877, 114960), (1916, 112620), (2395, 90096), (2874, 75080), (3754, 57480), (3832, 56310), (4790, 45048), (5631, 38320), (5748, 37540), (7185, 30032), (7508, 28740), (7664, 28155), (9385, 22992), (9580, 22524), (11262, 19160), (11496, 18770), (14370, 15016)]