620003640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5479}}^1$

素因数の和:5557

約数の個数: 128

約数和(自身を含む): 1988582400

約数和(自身を除く): 1368578760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 615, 690, 820, 920, 943, 984, 1230, 1380, 1640, 1886, 2460, 2760, 2829, 3772, 4715, 4920, 5479, 5658, 7544, 9430, 10958, 11316, 14145, 16437, 18860, 21916, 22632, 27395, 28290, 32874, 37720, 43832, 54790, 56580, 65748, 82185, 109580, 113160, 126017, 131496, 164370, 219160, 224639, 252034, 328740, 378051, 449278, 504068, 630085, 657480, 673917, 756102, 898556, 1008136, 1123195, 1260170, 1347834, 1512204, 1797112, 1890255, 2246390, 2520340, 2695668, 3024408, 3369585, 3780510, 4492780, 5040680, 5166697, 5391336, 6739170, 7561020, 8985560, 10333394, 13478340, 15122040, 15500091, 20666788, 25833485, 26956680, 31000182, 41333576, 51666970, 62000364, 77500455, 103333940, 124000728, 155000910, 206667880, 310001820, 620003640]

約数ペア:

[(1, 620003640), (2, 310001820), (3, 206667880), (4, 155000910), (5, 124000728), (6, 103333940), (8, 77500455), (10, 62000364), (12, 51666970), (15, 41333576), (20, 31000182), (23, 26956680), (24, 25833485), (30, 20666788), (40, 15500091), (41, 15122040), (46, 13478340), (60, 10333394), (69, 8985560), (82, 7561020), (92, 6739170), (115, 5391336), (120, 5166697), (123, 5040680), (138, 4492780), (164, 3780510), (184, 3369585), (205, 3024408), (230, 2695668), (246, 2520340), (276, 2246390), (328, 1890255), (345, 1797112), (410, 1512204), (460, 1347834), (492, 1260170), (552, 1123195), (615, 1008136), (690, 898556), (820, 756102), (920, 673917), (943, 657480), (984, 630085), (1230, 504068), (1380, 449278), (1640, 378051), (1886, 328740), (2460, 252034), (2760, 224639), (2829, 219160), (3772, 164370), (4715, 131496), (4920, 126017), (5479, 113160), (5658, 109580), (7544, 82185), (9430, 65748), (10958, 56580), (11316, 54790), (14145, 43832), (16437, 37720), (18860, 32874), (21916, 28290), (22632, 27395)]