80235760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 206460000

約数和(自身を除く): 126224240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 1168, 1249, 1460, 1606, 2498, 2920, 3212, 4015, 4996, 5840, 6245, 6424, 8030, 9992, 12490, 12848, 13739, 16060, 19984, 24980, 27478, 32120, 49960, 54956, 64240, 68695, 91177, 99920, 109912, 137390, 182354, 219824, 274780, 364708, 455885, 549560, 729416, 911770, 1002947, 1099120, 1458832, 1823540, 2005894, 3647080, 4011788, 5014735, 7294160, 8023576, 10029470, 16047152, 20058940, 40117880, 80235760]

約数ペア:

[(1, 80235760), (2, 40117880), (4, 20058940), (5, 16047152), (8, 10029470), (10, 8023576), (11, 7294160), (16, 5014735), (20, 4011788), (22, 3647080), (40, 2005894), (44, 1823540), (55, 1458832), (73, 1099120), (80, 1002947), (88, 911770), (110, 729416), (146, 549560), (176, 455885), (220, 364708), (292, 274780), (365, 219824), (440, 182354), (584, 137390), (730, 109912), (803, 99920), (880, 91177), (1168, 68695), (1249, 64240), (1460, 54956), (1606, 49960), (2498, 32120), (2920, 27478), (3212, 24980), (4015, 19984), (4996, 16060), (5840, 13739), (6245, 12848), (6424, 12490), (8030, 9992)]