15289940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 34328448

約数和(自身を除く): 19038508

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 773, 860, 989, 1546, 1978, 3092, 3865, 3956, 4945, 7730, 9890, 15460, 17779, 19780, 33239, 35558, 66478, 71116, 88895, 132956, 166195, 177790, 332390, 355580, 664780, 764497, 1528994, 3057988, 3822485, 7644970, 15289940]

約数ペア:

[(1, 15289940), (2, 7644970), (4, 3822485), (5, 3057988), (10, 1528994), (20, 764497), (23, 664780), (43, 355580), (46, 332390), (86, 177790), (92, 166195), (115, 132956), (172, 88895), (215, 71116), (230, 66478), (430, 35558), (460, 33239), (773, 19780), (860, 17779), (989, 15460), (1546, 9890), (1978, 7730), (3092, 4945), (3865, 3956)]