78057880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{601}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 187246080

約数和(自身を除く): 109188200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 601, 680, 764, 955, 1202, 1528, 1910, 2404, 3005, 3247, 3820, 4808, 6010, 6494, 7640, 10217, 12020, 12988, 16235, 20434, 24040, 25976, 32470, 40868, 51085, 64940, 81736, 102170, 114791, 129880, 204340, 229582, 408680, 459164, 573955, 918328, 1147910, 1951447, 2295820, 3902894, 4591640, 7805788, 9757235, 15611576, 19514470, 39028940, 78057880]

約数ペア:

[(1, 78057880), (2, 39028940), (4, 19514470), (5, 15611576), (8, 9757235), (10, 7805788), (17, 4591640), (20, 3902894), (34, 2295820), (40, 1951447), (68, 1147910), (85, 918328), (136, 573955), (170, 459164), (191, 408680), (340, 229582), (382, 204340), (601, 129880), (680, 114791), (764, 102170), (955, 81736), (1202, 64940), (1528, 51085), (1910, 40868), (2404, 32470), (3005, 25976), (3247, 24040), (3820, 20434), (4808, 16235), (6010, 12988), (6494, 12020), (7640, 10217)]