31239720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 102604320

約数和(自身を除く): 71364600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 535, 642, 811, 856, 963, 1070, 1284, 1605, 1622, 1926, 2140, 2433, 2568, 3210, 3244, 3852, 4055, 4280, 4815, 4866, 6420, 6488, 7299, 7704, 8110, 9630, 9732, 12165, 12840, 14598, 16220, 19260, 19464, 24330, 29196, 32440, 36495, 38520, 48660, 58392, 72990, 86777, 97320, 145980, 173554, 260331, 291960, 347108, 433885, 520662, 694216, 780993, 867770, 1041324, 1301655, 1561986, 1735540, 2082648, 2603310, 3123972, 3471080, 3904965, 5206620, 6247944, 7809930, 10413240, 15619860, 31239720]

約数ペア:

[(1, 31239720), (2, 15619860), (3, 10413240), (4, 7809930), (5, 6247944), (6, 5206620), (8, 3904965), (9, 3471080), (10, 3123972), (12, 2603310), (15, 2082648), (18, 1735540), (20, 1561986), (24, 1301655), (30, 1041324), (36, 867770), (40, 780993), (45, 694216), (60, 520662), (72, 433885), (90, 347108), (107, 291960), (120, 260331), (180, 173554), (214, 145980), (321, 97320), (360, 86777), (428, 72990), (535, 58392), (642, 48660), (811, 38520), (856, 36495), (963, 32440), (1070, 29196), (1284, 24330), (1605, 19464), (1622, 19260), (1926, 16220), (2140, 14598), (2433, 12840), (2568, 12165), (3210, 9732), (3244, 9630), (3852, 8110), (4055, 7704), (4280, 7299), (4815, 6488), (4866, 6420)]