30507880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4513}}^1$

素因数の和:4550

約数の個数: 48

約数和(自身を含む): 74345580

約数和(自身を除く): 43837700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4513, 6760, 9026, 18052, 22565, 36104, 45130, 58669, 90260, 117338, 180520, 234676, 293345, 469352, 586690, 762697, 1173380, 1525394, 2346760, 3050788, 3813485, 6101576, 7626970, 15253940, 30507880]

約数ペア:

[(1, 30507880), (2, 15253940), (4, 7626970), (5, 6101576), (8, 3813485), (10, 3050788), (13, 2346760), (20, 1525394), (26, 1173380), (40, 762697), (52, 586690), (65, 469352), (104, 293345), (130, 234676), (169, 180520), (260, 117338), (338, 90260), (520, 58669), (676, 45130), (845, 36104), (1352, 22565), (1690, 18052), (3380, 9026), (4513, 6760)]