1918440

素因数分解:

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

素因数の和:163

約数の個数: 72

約数和(自身を含む): 6321510

約数和(自身を除く): 4403070

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 120, 146, 180, 219, 292, 360, 365, 438, 584, 657, 730, 876, 1095, 1314, 1460, 1752, 2190, 2628, 2920, 3285, 4380, 5256, 5329, 6570, 8760, 10658, 13140, 15987, 21316, 26280, 26645, 31974, 42632, 47961, 53290, 63948, 79935, 95922, 106580, 127896, 159870, 191844, 213160, 239805, 319740, 383688, 479610, 639480, 959220, 1918440]

約数ペア:

[(1, 1918440), (2, 959220), (3, 639480), (4, 479610), (5, 383688), (6, 319740), (8, 239805), (9, 213160), (10, 191844), (12, 159870), (15, 127896), (18, 106580), (20, 95922), (24, 79935), (30, 63948), (36, 53290), (40, 47961), (45, 42632), (60, 31974), (72, 26645), (73, 26280), (90, 21316), (120, 15987), (146, 13140), (180, 10658), (219, 8760), (292, 6570), (360, 5329), (365, 5256), (438, 4380), (584, 3285), (657, 2920), (730, 2628), (876, 2190), (1095, 1752), (1314, 1460)]