30684080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 82286400

約数和(自身を除く): 51602320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 349, 560, 628, 698, 785, 1099, 1256, 1396, 1570, 1745, 2198, 2443, 2512, 2792, 3140, 3490, 4396, 4886, 5495, 5584, 6280, 6980, 8792, 9772, 10990, 12215, 12560, 13960, 17584, 19544, 21980, 24430, 27920, 39088, 43960, 48860, 54793, 87920, 97720, 109586, 195440, 219172, 273965, 383551, 438344, 547930, 767102, 876688, 1095860, 1534204, 1917755, 2191720, 3068408, 3835510, 4383440, 6136816, 7671020, 15342040, 30684080]

約数ペア:

[(1, 30684080), (2, 15342040), (4, 7671020), (5, 6136816), (7, 4383440), (8, 3835510), (10, 3068408), (14, 2191720), (16, 1917755), (20, 1534204), (28, 1095860), (35, 876688), (40, 767102), (56, 547930), (70, 438344), (80, 383551), (112, 273965), (140, 219172), (157, 195440), (280, 109586), (314, 97720), (349, 87920), (560, 54793), (628, 48860), (698, 43960), (785, 39088), (1099, 27920), (1256, 24430), (1396, 21980), (1570, 19544), (1745, 17584), (2198, 13960), (2443, 12560), (2512, 12215), (2792, 10990), (3140, 9772), (3490, 8792), (4396, 6980), (4886, 6280), (5495, 5584)]