78881880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8537}}^1$

素因数の和:8569

約数の個数: 128

約数和(自身を含む): 295073280

約数和(自身を除く): 216191400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 8537, 9240, 17074, 25611, 34148, 42685, 51222, 59759, 68296, 85370, 93907, 102444, 119518, 128055, 170740, 179277, 187814, 204888, 239036, 256110, 281721, 298795, 341480, 358554, 375628, 469535, 478072, 512220, 563442, 597590, 657349, 717108, 751256, 896385, 939070, 1024440, 1126884, 1195180, 1314698, 1408605, 1434216, 1792770, 1878140, 1972047, 2253768, 2390360, 2629396, 2817210, 3286745, 3585540, 3756280, 3944094, 5258792, 5634420, 6573490, 7171080, 7888188, 9860235, 11268840, 13146980, 15776376, 19720470, 26293960, 39440940, 78881880]

約数ペア:

[(1, 78881880), (2, 39440940), (3, 26293960), (4, 19720470), (5, 15776376), (6, 13146980), (7, 11268840), (8, 9860235), (10, 7888188), (11, 7171080), (12, 6573490), (14, 5634420), (15, 5258792), (20, 3944094), (21, 3756280), (22, 3585540), (24, 3286745), (28, 2817210), (30, 2629396), (33, 2390360), (35, 2253768), (40, 1972047), (42, 1878140), (44, 1792770), (55, 1434216), (56, 1408605), (60, 1314698), (66, 1195180), (70, 1126884), (77, 1024440), (84, 939070), (88, 896385), (105, 751256), (110, 717108), (120, 657349), (132, 597590), (140, 563442), (154, 512220), (165, 478072), (168, 469535), (210, 375628), (220, 358554), (231, 341480), (264, 298795), (280, 281721), (308, 256110), (330, 239036), (385, 204888), (420, 187814), (440, 179277), (462, 170740), (616, 128055), (660, 119518), (770, 102444), (840, 93907), (924, 85370), (1155, 68296), (1320, 59759), (1540, 51222), (1848, 42685), (2310, 34148), (3080, 25611), (4620, 17074), (8537, 9240)]