55870640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 160

約数和(自身を含む): 160704000

約数和(自身を除く): 104833360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 59, 70, 76, 80, 89, 95, 112, 118, 133, 140, 152, 178, 190, 236, 266, 280, 295, 304, 356, 380, 413, 445, 472, 532, 560, 590, 623, 665, 712, 760, 826, 890, 944, 1064, 1121, 1180, 1246, 1330, 1424, 1520, 1652, 1691, 1780, 2065, 2128, 2242, 2360, 2492, 2660, 3115, 3304, 3382, 3560, 4130, 4484, 4720, 4984, 5251, 5320, 5605, 6230, 6608, 6764, 7120, 7847, 8260, 8455, 8968, 9968, 10502, 10640, 11210, 11837, 12460, 13528, 15694, 16520, 16910, 17936, 21004, 22420, 23674, 24920, 26255, 27056, 31388, 33040, 33820, 36757, 39235, 42008, 44840, 47348, 49840, 52510, 59185, 62776, 67640, 73514, 78470, 84016, 89680, 94696, 99769, 105020, 118370, 125552, 135280, 147028, 156940, 183785, 189392, 199538, 210040, 236740, 294056, 313880, 367570, 399076, 420080, 473480, 498845, 588112, 627760, 698383, 735140, 798152, 946960, 997690, 1396766, 1470280, 1596304, 1995380, 2793532, 2940560, 3491915, 3990760, 5587064, 6983830, 7981520, 11174128, 13967660, 27935320, 55870640]

約数ペア:

[(1, 55870640), (2, 27935320), (4, 13967660), (5, 11174128), (7, 7981520), (8, 6983830), (10, 5587064), (14, 3990760), (16, 3491915), (19, 2940560), (20, 2793532), (28, 1995380), (35, 1596304), (38, 1470280), (40, 1396766), (56, 997690), (59, 946960), (70, 798152), (76, 735140), (80, 698383), (89, 627760), (95, 588112), (112, 498845), (118, 473480), (133, 420080), (140, 399076), (152, 367570), (178, 313880), (190, 294056), (236, 236740), (266, 210040), (280, 199538), (295, 189392), (304, 183785), (356, 156940), (380, 147028), (413, 135280), (445, 125552), (472, 118370), (532, 105020), (560, 99769), (590, 94696), (623, 89680), (665, 84016), (712, 78470), (760, 73514), (826, 67640), (890, 62776), (944, 59185), (1064, 52510), (1121, 49840), (1180, 47348), (1246, 44840), (1330, 42008), (1424, 39235), (1520, 36757), (1652, 33820), (1691, 33040), (1780, 31388), (2065, 27056), (2128, 26255), (2242, 24920), (2360, 23674), (2492, 22420), (2660, 21004), (3115, 17936), (3304, 16910), (3382, 16520), (3560, 15694), (4130, 13528), (4484, 12460), (4720, 11837), (4984, 11210), (5251, 10640), (5320, 10502), (5605, 9968), (6230, 8968), (6608, 8455), (6764, 8260), (7120, 7847)]