19776720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4337}}^1$

素因数の和:4372

約数の個数: 80

約数和(自身を含む): 64549440

約数和(自身を除く): 44772720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4337, 4560, 8674, 13011, 17348, 21685, 26022, 34696, 43370, 52044, 65055, 69392, 82403, 86740, 104088, 130110, 164806, 173480, 208176, 247209, 260220, 329612, 346960, 412015, 494418, 520440, 659224, 824030, 988836, 1040880, 1236045, 1318448, 1648060, 1977672, 2472090, 3296120, 3955344, 4944180, 6592240, 9888360, 19776720]

約数ペア:

[(1, 19776720), (2, 9888360), (3, 6592240), (4, 4944180), (5, 3955344), (6, 3296120), (8, 2472090), (10, 1977672), (12, 1648060), (15, 1318448), (16, 1236045), (19, 1040880), (20, 988836), (24, 824030), (30, 659224), (38, 520440), (40, 494418), (48, 412015), (57, 346960), (60, 329612), (76, 260220), (80, 247209), (95, 208176), (114, 173480), (120, 164806), (152, 130110), (190, 104088), (228, 86740), (240, 82403), (285, 69392), (304, 65055), (380, 52044), (456, 43370), (570, 34696), (760, 26022), (912, 21685), (1140, 17348), (1520, 13011), (2280, 8674), (4337, 4560)]