2809190720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4463}}^1$

素因数の和:4768

約数の個数: 112

約数和(自身を含む): 7673937408

約数和(自身を除く): 4864746688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 281, 320, 448, 560, 562, 1120, 1124, 1405, 1967, 2240, 2248, 2810, 3934, 4463, 4496, 5620, 7868, 8926, 8992, 9835, 11240, 15736, 17852, 17984, 19670, 22315, 22480, 31241, 31472, 35704, 39340, 44630, 44960, 62482, 62944, 71408, 78680, 89260, 89920, 124964, 125888, 142816, 156205, 157360, 178520, 249928, 285632, 312410, 314720, 357040, 499856, 624820, 629440, 714080, 999712, 1249640, 1254103, 1428160, 1999424, 2499280, 2508206, 4998560, 5016412, 6270515, 8778721, 9997120, 10032824, 12541030, 17557442, 20065648, 25082060, 35114884, 40131296, 43893605, 50164120, 70229768, 80262592, 87787210, 100328240, 140459536, 175574420, 200656480, 280919072, 351148840, 401312960, 561838144, 702297680, 1404595360, 2809190720]

約数ペア:

[(1, 2809190720), (2, 1404595360), (4, 702297680), (5, 561838144), (7, 401312960), (8, 351148840), (10, 280919072), (14, 200656480), (16, 175574420), (20, 140459536), (28, 100328240), (32, 87787210), (35, 80262592), (40, 70229768), (56, 50164120), (64, 43893605), (70, 40131296), (80, 35114884), (112, 25082060), (140, 20065648), (160, 17557442), (224, 12541030), (280, 10032824), (281, 9997120), (320, 8778721), (448, 6270515), (560, 5016412), (562, 4998560), (1120, 2508206), (1124, 2499280), (1405, 1999424), (1967, 1428160), (2240, 1254103), (2248, 1249640), (2810, 999712), (3934, 714080), (4463, 629440), (4496, 624820), (5620, 499856), (7868, 357040), (8926, 314720), (8992, 312410), (9835, 285632), (11240, 249928), (15736, 178520), (17852, 157360), (17984, 156205), (19670, 142816), (22315, 125888), (22480, 124964), (31241, 89920), (31472, 89260), (35704, 78680), (39340, 71408), (44630, 62944), (44960, 62482)]