827581720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{72089}}^1$

素因数の和:72148

約数の個数: 64

約数和(自身を含む): 2180001600

約数和(自身を除く): 1352419880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 72089, 144178, 288356, 360445, 504623, 576712, 720890, 1009246, 1441780, 2018492, 2523115, 2883560, 2955649, 4036984, 5046230, 5911298, 10092460, 11822596, 14778245, 20184920, 20689543, 23645192, 29556490, 41379086, 59112980, 82758172, 103447715, 118225960, 165516344, 206895430, 413790860, 827581720]

約数ペア:

[(1, 827581720), (2, 413790860), (4, 206895430), (5, 165516344), (7, 118225960), (8, 103447715), (10, 82758172), (14, 59112980), (20, 41379086), (28, 29556490), (35, 23645192), (40, 20689543), (41, 20184920), (56, 14778245), (70, 11822596), (82, 10092460), (140, 5911298), (164, 5046230), (205, 4036984), (280, 2955649), (287, 2883560), (328, 2523115), (410, 2018492), (574, 1441780), (820, 1009246), (1148, 720890), (1435, 576712), (1640, 504623), (2296, 360445), (2870, 288356), (5740, 144178), (11480, 72089)]