28646520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 99878400

約数和(自身を除く): 71231880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 509, 536, 670, 804, 840, 938, 1005, 1018, 1340, 1407, 1527, 1608, 1876, 2010, 2036, 2345, 2545, 2680, 2814, 3054, 3563, 3752, 4020, 4072, 4690, 5090, 5628, 6108, 7035, 7126, 7635, 8040, 9380, 10180, 10689, 11256, 12216, 14070, 14252, 15270, 17815, 18760, 20360, 21378, 28140, 28504, 30540, 34103, 35630, 42756, 53445, 56280, 61080, 68206, 71260, 85512, 102309, 106890, 136412, 142520, 170515, 204618, 213780, 238721, 272824, 341030, 409236, 427560, 477442, 511545, 682060, 716163, 818472, 954884, 1023090, 1193605, 1364120, 1432326, 1909768, 2046180, 2387210, 2864652, 3580815, 4092360, 4774420, 5729304, 7161630, 9548840, 14323260, 28646520]

約数ペア:

[(1, 28646520), (2, 14323260), (3, 9548840), (4, 7161630), (5, 5729304), (6, 4774420), (7, 4092360), (8, 3580815), (10, 2864652), (12, 2387210), (14, 2046180), (15, 1909768), (20, 1432326), (21, 1364120), (24, 1193605), (28, 1023090), (30, 954884), (35, 818472), (40, 716163), (42, 682060), (56, 511545), (60, 477442), (67, 427560), (70, 409236), (84, 341030), (105, 272824), (120, 238721), (134, 213780), (140, 204618), (168, 170515), (201, 142520), (210, 136412), (268, 106890), (280, 102309), (335, 85512), (402, 71260), (420, 68206), (469, 61080), (509, 56280), (536, 53445), (670, 42756), (804, 35630), (840, 34103), (938, 30540), (1005, 28504), (1018, 28140), (1340, 21378), (1407, 20360), (1527, 18760), (1608, 17815), (1876, 15270), (2010, 14252), (2036, 14070), (2345, 12216), (2545, 11256), (2680, 10689), (2814, 10180), (3054, 9380), (3563, 8040), (3752, 7635), (4020, 7126), (4072, 7035), (4690, 6108), (5090, 5628)]