642440736

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{318671}}^1$

素因数の和:318694

約数の個数: 72

約数和(自身を含む): 2087938944

約数和(自身を除く): 1445498208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 318671, 637342, 956013, 1274684, 1912026, 2230697, 2549368, 2868039, 3824052, 4461394, 5098736, 5736078, 6692091, 7648104, 8922788, 10197472, 11472156, 13384182, 15296208, 17845576, 20076273, 22944312, 26768364, 30592416, 35691152, 40152546, 45888624, 53536728, 71382304, 80305092, 91777248, 107073456, 160610184, 214146912, 321220368, 642440736]

約数ペア:

[(1, 642440736), (2, 321220368), (3, 214146912), (4, 160610184), (6, 107073456), (7, 91777248), (8, 80305092), (9, 71382304), (12, 53536728), (14, 45888624), (16, 40152546), (18, 35691152), (21, 30592416), (24, 26768364), (28, 22944312), (32, 20076273), (36, 17845576), (42, 15296208), (48, 13384182), (56, 11472156), (63, 10197472), (72, 8922788), (84, 7648104), (96, 6692091), (112, 5736078), (126, 5098736), (144, 4461394), (168, 3824052), (224, 2868039), (252, 2549368), (288, 2230697), (336, 1912026), (504, 1274684), (672, 956013), (1008, 637342), (2016, 318671)]