405760920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{3049}}^1$

素因数の和:4172

約数の個数: 64

約数和(自身を含む): 1218780000

約数和(自身を除く): 813019080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1109, 2218, 3049, 3327, 4436, 5545, 6098, 6654, 8872, 9147, 11090, 12196, 13308, 15245, 16635, 18294, 22180, 24392, 26616, 30490, 33270, 36588, 44360, 45735, 60980, 66540, 73176, 91470, 121960, 133080, 182940, 365880, 3381341, 6762682, 10144023, 13525364, 16906705, 20288046, 27050728, 33813410, 40576092, 50720115, 67626820, 81152184, 101440230, 135253640, 202880460, 405760920]

約数ペア:

[(1, 405760920), (2, 202880460), (3, 135253640), (4, 101440230), (5, 81152184), (6, 67626820), (8, 50720115), (10, 40576092), (12, 33813410), (15, 27050728), (20, 20288046), (24, 16906705), (30, 13525364), (40, 10144023), (60, 6762682), (120, 3381341), (1109, 365880), (2218, 182940), (3049, 133080), (3327, 121960), (4436, 91470), (5545, 73176), (6098, 66540), (6654, 60980), (8872, 45735), (9147, 44360), (11090, 36588), (12196, 33270), (13308, 30490), (15245, 26616), (16635, 24392), (18294, 22180)]