212821920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{147793}}^1$

素因数の和:147814

約数の個数: 72

約数和(自身を含む): 726259716

約数和(自身を除く): 513437796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 147793, 295586, 443379, 591172, 738965, 886758, 1182344, 1330137, 1477930, 1773516, 2216895, 2364688, 2660274, 2955860, 3547032, 4433790, 4729376, 5320548, 5911720, 6650685, 7094064, 8867580, 10641096, 11823440, 13301370, 14188128, 17735160, 21282192, 23646880, 26602740, 35470320, 42564384, 53205480, 70940640, 106410960, 212821920]

約数ペア:

[(1, 212821920), (2, 106410960), (3, 70940640), (4, 53205480), (5, 42564384), (6, 35470320), (8, 26602740), (9, 23646880), (10, 21282192), (12, 17735160), (15, 14188128), (16, 13301370), (18, 11823440), (20, 10641096), (24, 8867580), (30, 7094064), (32, 6650685), (36, 5911720), (40, 5320548), (45, 4729376), (48, 4433790), (60, 3547032), (72, 2955860), (80, 2660274), (90, 2364688), (96, 2216895), (120, 1773516), (144, 1477930), (160, 1330137), (180, 1182344), (240, 886758), (288, 738965), (360, 591172), (480, 443379), (720, 295586), (1440, 147793)]