19799160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 40076040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1187, 1390, 1668, 2085, 2374, 2780, 3336, 3561, 4170, 4748, 5560, 5935, 7122, 8340, 9496, 11870, 14244, 16680, 17805, 23740, 28488, 35610, 47480, 71220, 142440, 164993, 329986, 494979, 659972, 824965, 989958, 1319944, 1649930, 1979916, 2474895, 3299860, 3959832, 4949790, 6599720, 9899580, 19799160]

約数ペア:

[(1, 19799160), (2, 9899580), (3, 6599720), (4, 4949790), (5, 3959832), (6, 3299860), (8, 2474895), (10, 1979916), (12, 1649930), (15, 1319944), (20, 989958), (24, 824965), (30, 659972), (40, 494979), (60, 329986), (120, 164993), (139, 142440), (278, 71220), (417, 47480), (556, 35610), (695, 28488), (834, 23740), (1112, 17805), (1187, 16680), (1390, 14244), (1668, 11870), (2085, 9496), (2374, 8340), (2780, 7122), (3336, 5935), (3561, 5560), (4170, 4748)]