212720720

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{5743}}^1$

素因数の和:6219

約数の個数: 40

約数和(自身を含む): 495730176

約数和(自身を除く): 283009456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 5743, 7408, 9260, 11486, 18520, 22972, 28715, 37040, 45944, 57430, 91888, 114860, 229720, 459440, 2659009, 5318018, 10636036, 13295045, 21272072, 26590090, 42544144, 53180180, 106360360, 212720720]

約数ペア:

[(1, 212720720), (2, 106360360), (4, 53180180), (5, 42544144), (8, 26590090), (10, 21272072), (16, 13295045), (20, 10636036), (40, 5318018), (80, 2659009), (463, 459440), (926, 229720), (1852, 114860), (2315, 91888), (3704, 57430), (4630, 45944), (5743, 37040), (7408, 28715), (9260, 22972), (11486, 18520)]