64489920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 224

約数和(自身を含む): 231745536

約数和(自身を除く): 167255616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 192, 197, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 394, 440, 465, 480, 496, 528, 591, 620, 660, 682, 704, 744, 788, 880, 930, 960, 985, 992, 1023, 1056, 1182, 1240, 1320, 1364, 1488, 1576, 1705, 1760, 1860, 1970, 1984, 2046, 2112, 2167, 2364, 2480, 2640, 2728, 2955, 2976, 3152, 3410, 3520, 3720, 3940, 4092, 4334, 4728, 4960, 5115, 5280, 5456, 5910, 5952, 6107, 6304, 6501, 6820, 7440, 7880, 8184, 8668, 9456, 9920, 10230, 10560, 10835, 10912, 11820, 12214, 12608, 13002, 13640, 14880, 15760, 16368, 17336, 18321, 18912, 20460, 21670, 21824, 23640, 24428, 26004, 27280, 29760, 30535, 31520, 32505, 32736, 34672, 36642, 37824, 40920, 43340, 47280, 48856, 52008, 54560, 61070, 63040, 65010, 65472, 67177, 69344, 73284, 81840, 86680, 91605, 94560, 97712, 104016, 109120, 122140, 130020, 134354, 138688, 146568, 163680, 173360, 183210, 189120, 195424, 201531, 208032, 244280, 260040, 268708, 293136, 327360, 335885, 346720, 366420, 390848, 403062, 416064, 488560, 520080, 537416, 586272, 671770, 693440, 732840, 806124, 977120, 1007655, 1040160, 1074832, 1172544, 1343540, 1465680, 1612248, 1954240, 2015310, 2080320, 2149664, 2687080, 2931360, 3224496, 4030620, 4299328, 5374160, 5862720, 6448992, 8061240, 10748320, 12897984, 16122480, 21496640, 32244960, 64489920]

約数ペア:

[(1, 64489920), (2, 32244960), (3, 21496640), (4, 16122480), (5, 12897984), (6, 10748320), (8, 8061240), (10, 6448992), (11, 5862720), (12, 5374160), (15, 4299328), (16, 4030620), (20, 3224496), (22, 2931360), (24, 2687080), (30, 2149664), (31, 2080320), (32, 2015310), (33, 1954240), (40, 1612248), (44, 1465680), (48, 1343540), (55, 1172544), (60, 1074832), (62, 1040160), (64, 1007655), (66, 977120), (80, 806124), (88, 732840), (93, 693440), (96, 671770), (110, 586272), (120, 537416), (124, 520080), (132, 488560), (155, 416064), (160, 403062), (165, 390848), (176, 366420), (186, 346720), (192, 335885), (197, 327360), (220, 293136), (240, 268708), (248, 260040), (264, 244280), (310, 208032), (320, 201531), (330, 195424), (341, 189120), (352, 183210), (372, 173360), (394, 163680), (440, 146568), (465, 138688), (480, 134354), (496, 130020), (528, 122140), (591, 109120), (620, 104016), (660, 97712), (682, 94560), (704, 91605), (744, 86680), (788, 81840), (880, 73284), (930, 69344), (960, 67177), (985, 65472), (992, 65010), (1023, 63040), (1056, 61070), (1182, 54560), (1240, 52008), (1320, 48856), (1364, 47280), (1488, 43340), (1576, 40920), (1705, 37824), (1760, 36642), (1860, 34672), (1970, 32736), (1984, 32505), (2046, 31520), (2112, 30535), (2167, 29760), (2364, 27280), (2480, 26004), (2640, 24428), (2728, 23640), (2955, 21824), (2976, 21670), (3152, 20460), (3410, 18912), (3520, 18321), (3720, 17336), (3940, 16368), (4092, 15760), (4334, 14880), (4728, 13640), (4960, 13002), (5115, 12608), (5280, 12214), (5456, 11820), (5910, 10912), (5952, 10835), (6107, 10560), (6304, 10230), (6501, 9920), (6820, 9456), (7440, 8668), (7880, 8184)]