31582620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2315

約数の個数: 72

約数和(自身を含む): 97056960

約数和(自身を除く): 65474340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2221, 2370, 2844, 3555, 4442, 4740, 6663, 7110, 8884, 11105, 13326, 14220, 19989, 22210, 26652, 33315, 39978, 44420, 66630, 79956, 99945, 133260, 175459, 199890, 350918, 399780, 526377, 701836, 877295, 1052754, 1579131, 1754590, 2105508, 2631885, 3158262, 3509180, 5263770, 6316524, 7895655, 10527540, 15791310, 31582620]

約数ペア:

[(1, 31582620), (2, 15791310), (3, 10527540), (4, 7895655), (5, 6316524), (6, 5263770), (9, 3509180), (10, 3158262), (12, 2631885), (15, 2105508), (18, 1754590), (20, 1579131), (30, 1052754), (36, 877295), (45, 701836), (60, 526377), (79, 399780), (90, 350918), (158, 199890), (180, 175459), (237, 133260), (316, 99945), (395, 79956), (474, 66630), (711, 44420), (790, 39978), (948, 33315), (1185, 26652), (1422, 22210), (1580, 19989), (2221, 14220), (2370, 13326), (2844, 11105), (3555, 8884), (4442, 7110), (4740, 6663)]