81673860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 240186240

約数和(自身を除く): 158512380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 73, 87, 116, 145, 146, 174, 219, 290, 292, 348, 365, 435, 438, 580, 643, 730, 870, 876, 1095, 1286, 1460, 1740, 1929, 2117, 2190, 2572, 3215, 3858, 4234, 4380, 6351, 6430, 7716, 8468, 9645, 10585, 12702, 12860, 18647, 19290, 21170, 25404, 31755, 37294, 38580, 42340, 46939, 55941, 63510, 74588, 93235, 93878, 111882, 127020, 140817, 186470, 187756, 223764, 234695, 279705, 281634, 372940, 469390, 559410, 563268, 704085, 938780, 1118820, 1361231, 1408170, 2722462, 2816340, 4083693, 5444924, 6806155, 8167386, 13612310, 16334772, 20418465, 27224620, 40836930, 81673860]

約数ペア:

[(1, 81673860), (2, 40836930), (3, 27224620), (4, 20418465), (5, 16334772), (6, 13612310), (10, 8167386), (12, 6806155), (15, 5444924), (20, 4083693), (29, 2816340), (30, 2722462), (58, 1408170), (60, 1361231), (73, 1118820), (87, 938780), (116, 704085), (145, 563268), (146, 559410), (174, 469390), (219, 372940), (290, 281634), (292, 279705), (348, 234695), (365, 223764), (435, 187756), (438, 186470), (580, 140817), (643, 127020), (730, 111882), (870, 93878), (876, 93235), (1095, 74588), (1286, 63510), (1460, 55941), (1740, 46939), (1929, 42340), (2117, 38580), (2190, 37294), (2572, 31755), (3215, 25404), (3858, 21170), (4234, 19290), (4380, 18647), (6351, 12860), (6430, 12702), (7716, 10585), (8468, 9645)]