31551720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1091}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 95135040

約数和(自身を除く): 63583320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1091, 1205, 1446, 1928, 2182, 2410, 2892, 3273, 3615, 4364, 4820, 5455, 5784, 6546, 7230, 8728, 9640, 10910, 13092, 14460, 16365, 21820, 26184, 28920, 32730, 43640, 65460, 130920, 262931, 525862, 788793, 1051724, 1314655, 1577586, 2103448, 2629310, 3155172, 3943965, 5258620, 6310344, 7887930, 10517240, 15775860, 31551720]

約数ペア:

[(1, 31551720), (2, 15775860), (3, 10517240), (4, 7887930), (5, 6310344), (6, 5258620), (8, 3943965), (10, 3155172), (12, 2629310), (15, 2103448), (20, 1577586), (24, 1314655), (30, 1051724), (40, 788793), (60, 525862), (120, 262931), (241, 130920), (482, 65460), (723, 43640), (964, 32730), (1091, 28920), (1205, 26184), (1446, 21820), (1928, 16365), (2182, 14460), (2410, 13092), (2892, 10910), (3273, 9640), (3615, 8728), (4364, 7230), (4820, 6546), (5455, 5784)]