81535260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5167}}^1$

素因数の和:5442

約数の個数: 48

約数和(自身を含む): 229211136

約数和(自身を除く): 147675876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 2630, 3156, 3945, 5167, 5260, 7890, 10334, 15501, 15780, 20668, 25835, 31002, 51670, 62004, 77505, 103340, 155010, 310020, 1358921, 2717842, 4076763, 5435684, 6794605, 8153526, 13589210, 16307052, 20383815, 27178420, 40767630, 81535260]

約数ペア:

[(1, 81535260), (2, 40767630), (3, 27178420), (4, 20383815), (5, 16307052), (6, 13589210), (10, 8153526), (12, 6794605), (15, 5435684), (20, 4076763), (30, 2717842), (60, 1358921), (263, 310020), (526, 155010), (789, 103340), (1052, 77505), (1315, 62004), (1578, 51670), (2630, 31002), (3156, 25835), (3945, 20668), (5167, 15780), (5260, 15501), (7890, 10334)]