861004920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1453

約数の個数: 128

約数和(自身を含む): 2667168000

約数和(自身を除く): 1806163080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 139, 164, 205, 246, 278, 328, 410, 417, 492, 556, 615, 695, 820, 834, 984, 1112, 1230, 1259, 1390, 1640, 1668, 2085, 2460, 2518, 2780, 3336, 3777, 4170, 4920, 5036, 5560, 5699, 6295, 7554, 8340, 10072, 11398, 12590, 15108, 16680, 17097, 18885, 22796, 25180, 28495, 30216, 34194, 37770, 45592, 50360, 51619, 56990, 68388, 75540, 85485, 103238, 113980, 136776, 151080, 154857, 170970, 175001, 206476, 227960, 258095, 309714, 341940, 350002, 412952, 516190, 525003, 619428, 683880, 700004, 774285, 875005, 1032380, 1050006, 1238856, 1400008, 1548570, 1750010, 2064760, 2100012, 2625015, 3097140, 3500020, 4200024, 5250030, 6194280, 7000040, 7175041, 10500060, 14350082, 21000120, 21525123, 28700164, 35875205, 43050246, 57400328, 71750410, 86100492, 107625615, 143500820, 172200984, 215251230, 287001640, 430502460, 861004920]

約数ペア:

[(1, 861004920), (2, 430502460), (3, 287001640), (4, 215251230), (5, 172200984), (6, 143500820), (8, 107625615), (10, 86100492), (12, 71750410), (15, 57400328), (20, 43050246), (24, 35875205), (30, 28700164), (40, 21525123), (41, 21000120), (60, 14350082), (82, 10500060), (120, 7175041), (123, 7000040), (139, 6194280), (164, 5250030), (205, 4200024), (246, 3500020), (278, 3097140), (328, 2625015), (410, 2100012), (417, 2064760), (492, 1750010), (556, 1548570), (615, 1400008), (695, 1238856), (820, 1050006), (834, 1032380), (984, 875005), (1112, 774285), (1230, 700004), (1259, 683880), (1390, 619428), (1640, 525003), (1668, 516190), (2085, 412952), (2460, 350002), (2518, 341940), (2780, 309714), (3336, 258095), (3777, 227960), (4170, 206476), (4920, 175001), (5036, 170970), (5560, 154857), (5699, 151080), (6295, 136776), (7554, 113980), (8340, 103238), (10072, 85485), (11398, 75540), (12590, 68388), (15108, 56990), (16680, 51619), (17097, 50360), (18885, 45592), (22796, 37770), (25180, 34194), (28495, 30216)]