495166720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12479}}^1$

素因数の和:12531

約数の個数: 72

約数和(自身を含む): 1224437760

約数和(自身を除く): 729271040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 12479, 19840, 24958, 39680, 49916, 62395, 99832, 124790, 199664, 249580, 386849, 399328, 499160, 773698, 798656, 998320, 1547396, 1597312, 1934245, 1996640, 3094792, 3194624, 3868490, 3993280, 6189584, 7736980, 7986560, 12379168, 15473960, 15973120, 24758336, 30947920, 49516672, 61895840, 99033344, 123791680, 247583360, 495166720]

約数ペア:

[(1, 495166720), (2, 247583360), (4, 123791680), (5, 99033344), (8, 61895840), (10, 49516672), (16, 30947920), (20, 24758336), (31, 15973120), (32, 15473960), (40, 12379168), (62, 7986560), (64, 7736980), (80, 6189584), (124, 3993280), (128, 3868490), (155, 3194624), (160, 3094792), (248, 1996640), (256, 1934245), (310, 1597312), (320, 1547396), (496, 998320), (620, 798656), (640, 773698), (992, 499160), (1240, 399328), (1280, 386849), (1984, 249580), (2480, 199664), (3968, 124790), (4960, 99832), (7936, 62395), (9920, 49916), (12479, 39680), (19840, 24958)]