69921520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 172801440

約数和(自身を除く): 102879920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 293, 304, 314, 380, 586, 628, 760, 785, 1172, 1256, 1465, 1520, 1570, 2344, 2512, 2930, 2983, 3140, 4688, 5567, 5860, 5966, 6280, 11134, 11720, 11932, 12560, 14915, 22268, 23440, 23864, 27835, 29830, 44536, 46001, 47728, 55670, 59660, 89072, 92002, 111340, 119320, 184004, 222680, 230005, 238640, 368008, 445360, 460010, 736016, 874019, 920020, 1748038, 1840040, 3496076, 3680080, 4370095, 6992152, 8740190, 13984304, 17480380, 34960760, 69921520]

約数ペア:

[(1, 69921520), (2, 34960760), (4, 17480380), (5, 13984304), (8, 8740190), (10, 6992152), (16, 4370095), (19, 3680080), (20, 3496076), (38, 1840040), (40, 1748038), (76, 920020), (80, 874019), (95, 736016), (152, 460010), (157, 445360), (190, 368008), (293, 238640), (304, 230005), (314, 222680), (380, 184004), (586, 119320), (628, 111340), (760, 92002), (785, 89072), (1172, 59660), (1256, 55670), (1465, 47728), (1520, 46001), (1570, 44536), (2344, 29830), (2512, 27835), (2930, 23864), (2983, 23440), (3140, 22268), (4688, 14915), (5567, 12560), (5860, 11932), (5966, 11720), (6280, 11134)]