15342040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 39816000

約数和(自身を除く): 24473960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 349, 628, 698, 785, 1099, 1256, 1396, 1570, 1745, 2198, 2443, 2792, 3140, 3490, 4396, 4886, 5495, 6280, 6980, 8792, 9772, 10990, 12215, 13960, 19544, 21980, 24430, 43960, 48860, 54793, 97720, 109586, 219172, 273965, 383551, 438344, 547930, 767102, 1095860, 1534204, 1917755, 2191720, 3068408, 3835510, 7671020, 15342040]

約数ペア:

[(1, 15342040), (2, 7671020), (4, 3835510), (5, 3068408), (7, 2191720), (8, 1917755), (10, 1534204), (14, 1095860), (20, 767102), (28, 547930), (35, 438344), (40, 383551), (56, 273965), (70, 219172), (140, 109586), (157, 97720), (280, 54793), (314, 48860), (349, 43960), (628, 24430), (698, 21980), (785, 19544), (1099, 13960), (1256, 12215), (1396, 10990), (1570, 9772), (1745, 8792), (2198, 6980), (2443, 6280), (2792, 5495), (3140, 4886), (3490, 4396)]