8205480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 27855360

約数和(自身を除く): 19649880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 991, 1035, 1380, 1656, 1982, 2070, 2760, 2973, 3964, 4140, 4955, 5946, 7928, 8280, 8919, 9910, 11892, 14865, 17838, 19820, 22793, 23784, 29730, 35676, 39640, 44595, 45586, 59460, 68379, 71352, 89190, 91172, 113965, 118920, 136758, 178380, 182344, 205137, 227930, 273516, 341895, 356760, 410274, 455860, 547032, 683790, 820548, 911720, 1025685, 1367580, 1641096, 2051370, 2735160, 4102740, 8205480]

約数ペア:

[(1, 8205480), (2, 4102740), (3, 2735160), (4, 2051370), (5, 1641096), (6, 1367580), (8, 1025685), (9, 911720), (10, 820548), (12, 683790), (15, 547032), (18, 455860), (20, 410274), (23, 356760), (24, 341895), (30, 273516), (36, 227930), (40, 205137), (45, 182344), (46, 178380), (60, 136758), (69, 118920), (72, 113965), (90, 91172), (92, 89190), (115, 71352), (120, 68379), (138, 59460), (180, 45586), (184, 44595), (207, 39640), (230, 35676), (276, 29730), (345, 23784), (360, 22793), (414, 19820), (460, 17838), (552, 14865), (690, 11892), (828, 9910), (920, 8919), (991, 8280), (1035, 7928), (1380, 5946), (1656, 4955), (1982, 4140), (2070, 3964), (2760, 2973)]