164193960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195469}}^1$

素因数の和:195490

約数の個数: 64

約数和(自身を含む): 562953600

約数和(自身を除く): 398759640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 195469, 390938, 586407, 781876, 977345, 1172814, 1368283, 1563752, 1954690, 2345628, 2736566, 2932035, 3909380, 4104849, 4691256, 5473132, 5864070, 6841415, 7818760, 8209698, 10946264, 11728140, 13682830, 16419396, 20524245, 23456280, 27365660, 32838792, 41048490, 54731320, 82096980, 164193960]

約数ペア:

[(1, 164193960), (2, 82096980), (3, 54731320), (4, 41048490), (5, 32838792), (6, 27365660), (7, 23456280), (8, 20524245), (10, 16419396), (12, 13682830), (14, 11728140), (15, 10946264), (20, 8209698), (21, 7818760), (24, 6841415), (28, 5864070), (30, 5473132), (35, 4691256), (40, 4104849), (42, 3909380), (56, 2932035), (60, 2736566), (70, 2345628), (84, 1954690), (105, 1563752), (120, 1368283), (140, 1172814), (168, 977345), (210, 781876), (280, 586407), (420, 390938), (840, 195469)]