156639440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 380868480

約数和(自身を除く): 224229040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 107, 116, 145, 214, 232, 290, 428, 464, 535, 580, 631, 856, 1070, 1160, 1262, 1712, 2140, 2320, 2524, 3103, 3155, 4280, 5048, 6206, 6310, 8560, 10096, 12412, 12620, 15515, 18299, 24824, 25240, 31030, 36598, 49648, 50480, 62060, 67517, 73196, 91495, 124120, 135034, 146392, 182990, 248240, 270068, 292784, 337585, 365980, 540136, 675170, 731960, 1080272, 1350340, 1463920, 1957993, 2700680, 3915986, 5401360, 7831972, 9789965, 15663944, 19579930, 31327888, 39159860, 78319720, 156639440]

約数ペア:

[(1, 156639440), (2, 78319720), (4, 39159860), (5, 31327888), (8, 19579930), (10, 15663944), (16, 9789965), (20, 7831972), (29, 5401360), (40, 3915986), (58, 2700680), (80, 1957993), (107, 1463920), (116, 1350340), (145, 1080272), (214, 731960), (232, 675170), (290, 540136), (428, 365980), (464, 337585), (535, 292784), (580, 270068), (631, 248240), (856, 182990), (1070, 146392), (1160, 135034), (1262, 124120), (1712, 91495), (2140, 73196), (2320, 67517), (2524, 62060), (3103, 50480), (3155, 49648), (4280, 36598), (5048, 31030), (6206, 25240), (6310, 24824), (8560, 18299), (10096, 15515), (12412, 12620)]