521496880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{479}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 1257062400

約数和(自身を除く): 735565520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 439, 479, 496, 620, 878, 958, 1240, 1756, 1916, 2195, 2395, 2480, 3512, 3832, 4390, 4790, 7024, 7664, 8780, 9580, 13609, 14849, 17560, 19160, 27218, 29698, 35120, 38320, 54436, 59396, 68045, 74245, 108872, 118792, 136090, 148490, 210281, 217744, 237584, 272180, 296980, 420562, 544360, 593960, 841124, 1051405, 1088720, 1187920, 1682248, 2102810, 3364496, 4205620, 6518711, 8411240, 13037422, 16822480, 26074844, 32593555, 52149688, 65187110, 104299376, 130374220, 260748440, 521496880]

約数ペア:

[(1, 521496880), (2, 260748440), (4, 130374220), (5, 104299376), (8, 65187110), (10, 52149688), (16, 32593555), (20, 26074844), (31, 16822480), (40, 13037422), (62, 8411240), (80, 6518711), (124, 4205620), (155, 3364496), (248, 2102810), (310, 1682248), (439, 1187920), (479, 1088720), (496, 1051405), (620, 841124), (878, 593960), (958, 544360), (1240, 420562), (1756, 296980), (1916, 272180), (2195, 237584), (2395, 217744), (2480, 210281), (3512, 148490), (3832, 136090), (4390, 118792), (4790, 108872), (7024, 74245), (7664, 68045), (8780, 59396), (9580, 54436), (13609, 38320), (14849, 35120), (17560, 29698), (19160, 27218)]