77244880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 191505600

約数和(自身を除く): 114260720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 571, 712, 760, 890, 1142, 1424, 1520, 1691, 1780, 2284, 2855, 3382, 3560, 4568, 5710, 6764, 7120, 8455, 9136, 10849, 11420, 13528, 16910, 21698, 22840, 27056, 33820, 43396, 45680, 50819, 54245, 67640, 86792, 101638, 108490, 135280, 173584, 203276, 216980, 254095, 406552, 433960, 508190, 813104, 867920, 965561, 1016380, 1931122, 2032760, 3862244, 4065520, 4827805, 7724488, 9655610, 15448976, 19311220, 38622440, 77244880]

約数ペア:

[(1, 77244880), (2, 38622440), (4, 19311220), (5, 15448976), (8, 9655610), (10, 7724488), (16, 4827805), (19, 4065520), (20, 3862244), (38, 2032760), (40, 1931122), (76, 1016380), (80, 965561), (89, 867920), (95, 813104), (152, 508190), (178, 433960), (190, 406552), (304, 254095), (356, 216980), (380, 203276), (445, 173584), (571, 135280), (712, 108490), (760, 101638), (890, 86792), (1142, 67640), (1424, 54245), (1520, 50819), (1691, 45680), (1780, 43396), (2284, 33820), (2855, 27056), (3382, 22840), (3560, 21698), (4568, 16910), (5710, 13528), (6764, 11420), (7120, 10849), (8455, 9136)]