420045180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{411809}}^1$

素因数の和:411838

約数の個数: 48

約数和(自身を含む): 1245313440

約数和(自身を除く): 825268260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 411809, 823618, 1235427, 1647236, 2059045, 2470854, 4118090, 4941708, 6177135, 7000753, 8236180, 12354270, 14001506, 21002259, 24708540, 28003012, 35003765, 42004518, 70007530, 84009036, 105011295, 140015060, 210022590, 420045180]

約数ペア:

[(1, 420045180), (2, 210022590), (3, 140015060), (4, 105011295), (5, 84009036), (6, 70007530), (10, 42004518), (12, 35003765), (15, 28003012), (17, 24708540), (20, 21002259), (30, 14001506), (34, 12354270), (51, 8236180), (60, 7000753), (68, 6177135), (85, 4941708), (102, 4118090), (170, 2470854), (204, 2059045), (255, 1647236), (340, 1235427), (510, 823618), (1020, 411809)]