74285680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 199362240

約数和(自身を除く): 125076560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1217, 1526, 1744, 2180, 2434, 3052, 3815, 4360, 4868, 6085, 6104, 7630, 8519, 8720, 9736, 12170, 12208, 15260, 17038, 19472, 24340, 30520, 34076, 42595, 48680, 61040, 68152, 85190, 97360, 132653, 136304, 170380, 265306, 340760, 530612, 663265, 681520, 928571, 1061224, 1326530, 1857142, 2122448, 2653060, 3714284, 4642855, 5306120, 7428568, 9285710, 10612240, 14857136, 18571420, 37142840, 74285680]

約数ペア:

[(1, 74285680), (2, 37142840), (4, 18571420), (5, 14857136), (7, 10612240), (8, 9285710), (10, 7428568), (14, 5306120), (16, 4642855), (20, 3714284), (28, 2653060), (35, 2122448), (40, 1857142), (56, 1326530), (70, 1061224), (80, 928571), (109, 681520), (112, 663265), (140, 530612), (218, 340760), (280, 265306), (436, 170380), (545, 136304), (560, 132653), (763, 97360), (872, 85190), (1090, 68152), (1217, 61040), (1526, 48680), (1744, 42595), (2180, 34076), (2434, 30520), (3052, 24340), (3815, 19472), (4360, 17038), (4868, 15260), (6085, 12208), (6104, 12170), (7630, 9736), (8519, 8720)]