1020376480

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 2461536000

約数和(自身を除く): 1441159520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 199, 292, 365, 398, 439, 584, 730, 796, 878, 995, 1168, 1460, 1592, 1756, 1990, 2195, 2336, 2920, 3184, 3512, 3980, 4390, 5840, 6368, 7024, 7960, 8780, 11680, 14048, 14527, 15920, 17560, 29054, 31840, 32047, 35120, 58108, 64094, 70240, 72635, 87361, 116216, 128188, 145270, 160235, 174722, 232432, 256376, 290540, 320470, 349444, 436805, 464864, 512752, 581080, 640940, 698888, 873610, 1025504, 1162160, 1281880, 1397776, 1747220, 2324320, 2563760, 2795552, 3494440, 5127520, 6377353, 6988880, 12754706, 13977760, 25509412, 31886765, 51018824, 63773530, 102037648, 127547060, 204075296, 255094120, 510188240, 1020376480]

約数ペア:

[(1, 1020376480), (2, 510188240), (4, 255094120), (5, 204075296), (8, 127547060), (10, 102037648), (16, 63773530), (20, 51018824), (32, 31886765), (40, 25509412), (73, 13977760), (80, 12754706), (146, 6988880), (160, 6377353), (199, 5127520), (292, 3494440), (365, 2795552), (398, 2563760), (439, 2324320), (584, 1747220), (730, 1397776), (796, 1281880), (878, 1162160), (995, 1025504), (1168, 873610), (1460, 698888), (1592, 640940), (1756, 581080), (1990, 512752), (2195, 464864), (2336, 436805), (2920, 349444), (3184, 320470), (3512, 290540), (3980, 256376), (4390, 232432), (5840, 174722), (6368, 160235), (7024, 145270), (7960, 128188), (8780, 116216), (11680, 87361), (14048, 72635), (14527, 70240), (15920, 64094), (17560, 58108), (29054, 35120), (31840, 32047)]