85986560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 233114112

約数和(自身を除く): 147127552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 197, 220, 248, 256, 310, 320, 341, 352, 394, 440, 496, 620, 640, 682, 704, 788, 880, 985, 992, 1240, 1280, 1364, 1408, 1576, 1705, 1760, 1970, 1984, 2167, 2480, 2728, 2816, 3152, 3410, 3520, 3940, 3968, 4334, 4960, 5456, 6107, 6304, 6820, 7040, 7880, 7936, 8668, 9920, 10835, 10912, 12214, 12608, 13640, 14080, 15760, 17336, 19840, 21670, 21824, 24428, 25216, 27280, 30535, 31520, 34672, 39680, 43340, 43648, 48856, 50432, 54560, 61070, 63040, 67177, 69344, 86680, 87296, 97712, 109120, 122140, 126080, 134354, 138688, 173360, 195424, 218240, 244280, 252160, 268708, 277376, 335885, 346720, 390848, 436480, 488560, 537416, 554752, 671770, 693440, 781696, 977120, 1074832, 1343540, 1386880, 1563392, 1954240, 2149664, 2687080, 2773760, 3908480, 4299328, 5374160, 7816960, 8598656, 10748320, 17197312, 21496640, 42993280, 85986560]

約数ペア:

[(1, 85986560), (2, 42993280), (4, 21496640), (5, 17197312), (8, 10748320), (10, 8598656), (11, 7816960), (16, 5374160), (20, 4299328), (22, 3908480), (31, 2773760), (32, 2687080), (40, 2149664), (44, 1954240), (55, 1563392), (62, 1386880), (64, 1343540), (80, 1074832), (88, 977120), (110, 781696), (124, 693440), (128, 671770), (155, 554752), (160, 537416), (176, 488560), (197, 436480), (220, 390848), (248, 346720), (256, 335885), (310, 277376), (320, 268708), (341, 252160), (352, 244280), (394, 218240), (440, 195424), (496, 173360), (620, 138688), (640, 134354), (682, 126080), (704, 122140), (788, 109120), (880, 97712), (985, 87296), (992, 86680), (1240, 69344), (1280, 67177), (1364, 63040), (1408, 61070), (1576, 54560), (1705, 50432), (1760, 48856), (1970, 43648), (1984, 43340), (2167, 39680), (2480, 34672), (2728, 31520), (2816, 30535), (3152, 27280), (3410, 25216), (3520, 24428), (3940, 21824), (3968, 21670), (4334, 19840), (4960, 17336), (5456, 15760), (6107, 14080), (6304, 13640), (6820, 12608), (7040, 12214), (7880, 10912), (7936, 10835), (8668, 9920)]