1497990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 4064256

約数和(自身を除く): 2566266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 167, 195, 230, 299, 334, 345, 390, 501, 598, 690, 835, 897, 1002, 1495, 1670, 1794, 2171, 2505, 2990, 3841, 4342, 4485, 5010, 6513, 7682, 8970, 10855, 11523, 13026, 19205, 21710, 23046, 32565, 38410, 49933, 57615, 65130, 99866, 115230, 149799, 249665, 299598, 499330, 748995, 1497990]

約数ペア:

[(1, 1497990), (2, 748995), (3, 499330), (5, 299598), (6, 249665), (10, 149799), (13, 115230), (15, 99866), (23, 65130), (26, 57615), (30, 49933), (39, 38410), (46, 32565), (65, 23046), (69, 21710), (78, 19205), (115, 13026), (130, 11523), (138, 10855), (167, 8970), (195, 7682), (230, 6513), (299, 5010), (334, 4485), (345, 4342), (390, 3841), (501, 2990), (598, 2505), (690, 2171), (835, 1794), (897, 1670), (1002, 1495)]