64872972

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 174859776

約数和(自身を除く): 109986804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 564, 828, 846, 1081, 1667, 1692, 2162, 3243, 3334, 4324, 5001, 6486, 6668, 9729, 10002, 12972, 15003, 19458, 20004, 30006, 38341, 38916, 60012, 76682, 78349, 115023, 153364, 156698, 230046, 235047, 313396, 345069, 460092, 470094, 690138, 705141, 940188, 1380276, 1410282, 1802027, 2820564, 3604054, 5406081, 7208108, 10812162, 16218243, 21624324, 32436486, 64872972]

約数ペア:

[(1, 64872972), (2, 32436486), (3, 21624324), (4, 16218243), (6, 10812162), (9, 7208108), (12, 5406081), (18, 3604054), (23, 2820564), (36, 1802027), (46, 1410282), (47, 1380276), (69, 940188), (92, 705141), (94, 690138), (138, 470094), (141, 460092), (188, 345069), (207, 313396), (276, 235047), (282, 230046), (414, 156698), (423, 153364), (564, 115023), (828, 78349), (846, 76682), (1081, 60012), (1667, 38916), (1692, 38341), (2162, 30006), (3243, 20004), (3334, 19458), (4324, 15003), (5001, 12972), (6486, 10002), (6668, 9729)]