78483760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 188291520

約数和(自身を除く): 109807760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 89, 146, 151, 178, 292, 302, 356, 365, 445, 584, 604, 712, 730, 755, 890, 1168, 1208, 1424, 1460, 1510, 1780, 2416, 2920, 3020, 3560, 5840, 6040, 6497, 7120, 11023, 12080, 12994, 13439, 22046, 25988, 26878, 32485, 44092, 51976, 53756, 55115, 64970, 67195, 88184, 103952, 107512, 110230, 129940, 134390, 176368, 215024, 220460, 259880, 268780, 440920, 519760, 537560, 881840, 981047, 1075120, 1962094, 3924188, 4905235, 7848376, 9810470, 15696752, 19620940, 39241880, 78483760]

約数ペア:

[(1, 78483760), (2, 39241880), (4, 19620940), (5, 15696752), (8, 9810470), (10, 7848376), (16, 4905235), (20, 3924188), (40, 1962094), (73, 1075120), (80, 981047), (89, 881840), (146, 537560), (151, 519760), (178, 440920), (292, 268780), (302, 259880), (356, 220460), (365, 215024), (445, 176368), (584, 134390), (604, 129940), (712, 110230), (730, 107512), (755, 103952), (890, 88184), (1168, 67195), (1208, 64970), (1424, 55115), (1460, 53756), (1510, 51976), (1780, 44092), (2416, 32485), (2920, 26878), (3020, 25988), (3560, 22046), (5840, 13439), (6040, 12994), (6497, 12080), (7120, 11023)]