71772008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 178606080

約数和(自身を除く): 106834072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 47, 56, 67, 74, 77, 88, 94, 134, 148, 154, 188, 259, 268, 296, 308, 329, 376, 407, 469, 517, 518, 536, 616, 658, 737, 814, 938, 1034, 1036, 1316, 1474, 1628, 1739, 1876, 2068, 2072, 2479, 2632, 2849, 2948, 3149, 3256, 3478, 3619, 3752, 4136, 4958, 5159, 5698, 5896, 6298, 6956, 7238, 9916, 10318, 11396, 12173, 12596, 13912, 14476, 17353, 19129, 19832, 20636, 22043, 22792, 24346, 25192, 27269, 28952, 34639, 34706, 38258, 41272, 44086, 48692, 54538, 69278, 69412, 76516, 88172, 97384, 109076, 116513, 133903, 138556, 138824, 153032, 176344, 190883, 218152, 233026, 242473, 267806, 277112, 381766, 466052, 484946, 535612, 763532, 815591, 932104, 969892, 1071224, 1281643, 1527064, 1631182, 1939784, 2563286, 3262364, 5126572, 6524728, 8971501, 10253144, 17943002, 35886004, 71772008]

約数ペア:

[(1, 71772008), (2, 35886004), (4, 17943002), (7, 10253144), (8, 8971501), (11, 6524728), (14, 5126572), (22, 3262364), (28, 2563286), (37, 1939784), (44, 1631182), (47, 1527064), (56, 1281643), (67, 1071224), (74, 969892), (77, 932104), (88, 815591), (94, 763532), (134, 535612), (148, 484946), (154, 466052), (188, 381766), (259, 277112), (268, 267806), (296, 242473), (308, 233026), (329, 218152), (376, 190883), (407, 176344), (469, 153032), (517, 138824), (518, 138556), (536, 133903), (616, 116513), (658, 109076), (737, 97384), (814, 88172), (938, 76516), (1034, 69412), (1036, 69278), (1316, 54538), (1474, 48692), (1628, 44086), (1739, 41272), (1876, 38258), (2068, 34706), (2072, 34639), (2479, 28952), (2632, 27269), (2849, 25192), (2948, 24346), (3149, 22792), (3256, 22043), (3478, 20636), (3619, 19832), (3752, 19129), (4136, 17353), (4958, 14476), (5159, 13912), (5698, 12596), (5896, 12173), (6298, 11396), (6956, 10318), (7238, 9916)]