1581540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 4538688

約数和(自身を除く): 2957148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 613, 645, 860, 1226, 1290, 1839, 2452, 2580, 3065, 3678, 6130, 7356, 9195, 12260, 18390, 26359, 36780, 52718, 79077, 105436, 131795, 158154, 263590, 316308, 395385, 527180, 790770, 1581540]

約数ペア:

[(1, 1581540), (2, 790770), (3, 527180), (4, 395385), (5, 316308), (6, 263590), (10, 158154), (12, 131795), (15, 105436), (20, 79077), (30, 52718), (43, 36780), (60, 26359), (86, 18390), (129, 12260), (172, 9195), (215, 7356), (258, 6130), (430, 3678), (516, 3065), (613, 2580), (645, 2452), (860, 1839), (1226, 1290)]