74997180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21929}}^1$

素因数の和:21963

約数の個数: 72

約数和(自身を含む): 239475600

約数和(自身を除く): 164478420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21929, 43858, 65787, 87716, 109645, 131574, 197361, 219290, 263148, 328935, 394722, 416651, 438580, 657870, 789444, 833302, 986805, 1249953, 1315740, 1666604, 1973610, 2083255, 2499906, 3749859, 3947220, 4166510, 4999812, 6249765, 7499718, 8333020, 12499530, 14999436, 18749295, 24999060, 37498590, 74997180]

約数ペア:

[(1, 74997180), (2, 37498590), (3, 24999060), (4, 18749295), (5, 14999436), (6, 12499530), (9, 8333020), (10, 7499718), (12, 6249765), (15, 4999812), (18, 4166510), (19, 3947220), (20, 3749859), (30, 2499906), (36, 2083255), (38, 1973610), (45, 1666604), (57, 1315740), (60, 1249953), (76, 986805), (90, 833302), (95, 789444), (114, 657870), (171, 438580), (180, 416651), (190, 394722), (228, 328935), (285, 263148), (342, 219290), (380, 197361), (570, 131574), (684, 109645), (855, 87716), (1140, 65787), (1710, 43858), (3420, 21929)]