1566407840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:790

約数の個数: 96

約数和(自身を含む): 3761178624

約数和(自身を除く): 2194770784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 157, 160, 254, 314, 491, 508, 628, 635, 785, 982, 1016, 1256, 1270, 1570, 1964, 2032, 2455, 2512, 2540, 3140, 3928, 4064, 4910, 5024, 5080, 6280, 7856, 9820, 10160, 12560, 15712, 19640, 19939, 20320, 25120, 39280, 39878, 62357, 77087, 78560, 79756, 99695, 124714, 154174, 159512, 199390, 249428, 308348, 311785, 319024, 385435, 398780, 498856, 616696, 623570, 638048, 770870, 797560, 997712, 1233392, 1247140, 1541740, 1595120, 1995424, 2466784, 2494280, 3083480, 3190240, 4988560, 6166960, 9790049, 9977120, 12333920, 19580098, 39160196, 48950245, 78320392, 97900490, 156640784, 195800980, 313281568, 391601960, 783203920, 1566407840]

約数ペア:

[(1, 1566407840), (2, 783203920), (4, 391601960), (5, 313281568), (8, 195800980), (10, 156640784), (16, 97900490), (20, 78320392), (32, 48950245), (40, 39160196), (80, 19580098), (127, 12333920), (157, 9977120), (160, 9790049), (254, 6166960), (314, 4988560), (491, 3190240), (508, 3083480), (628, 2494280), (635, 2466784), (785, 1995424), (982, 1595120), (1016, 1541740), (1256, 1247140), (1270, 1233392), (1570, 997712), (1964, 797560), (2032, 770870), (2455, 638048), (2512, 623570), (2540, 616696), (3140, 498856), (3928, 398780), (4064, 385435), (4910, 319024), (5024, 311785), (5080, 308348), (6280, 249428), (7856, 199390), (9820, 159512), (10160, 154174), (12560, 124714), (15712, 99695), (19640, 79756), (19939, 78560), (20320, 77087), (25120, 62357), (39280, 39878)]