201597680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 482037600

約数和(自身を除く): 280439920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 109, 122, 218, 244, 305, 379, 436, 488, 545, 610, 758, 872, 976, 1090, 1220, 1516, 1744, 1895, 2180, 2440, 3032, 3790, 4360, 4880, 6064, 6649, 7580, 8720, 13298, 15160, 23119, 26596, 30320, 33245, 41311, 46238, 53192, 66490, 82622, 92476, 106384, 115595, 132980, 165244, 184952, 206555, 231190, 265960, 330488, 369904, 413110, 462380, 531920, 660976, 826220, 924760, 1652440, 1849520, 2519971, 3304880, 5039942, 10079884, 12599855, 20159768, 25199710, 40319536, 50399420, 100798840, 201597680]

約数ペア:

[(1, 201597680), (2, 100798840), (4, 50399420), (5, 40319536), (8, 25199710), (10, 20159768), (16, 12599855), (20, 10079884), (40, 5039942), (61, 3304880), (80, 2519971), (109, 1849520), (122, 1652440), (218, 924760), (244, 826220), (305, 660976), (379, 531920), (436, 462380), (488, 413110), (545, 369904), (610, 330488), (758, 265960), (872, 231190), (976, 206555), (1090, 184952), (1220, 165244), (1516, 132980), (1744, 115595), (1895, 106384), (2180, 92476), (2440, 82622), (3032, 66490), (3790, 53192), (4360, 46238), (4880, 41311), (6064, 33245), (6649, 30320), (7580, 26596), (8720, 23119), (13298, 15160)]