56987840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 224

約数和(自身を含む): 177515520

約数和(自身を除く): 120527680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 103, 104, 112, 130, 133, 140, 152, 160, 182, 190, 206, 208, 224, 247, 260, 266, 280, 304, 320, 364, 380, 412, 416, 448, 455, 494, 515, 520, 532, 560, 608, 665, 721, 728, 760, 824, 832, 910, 988, 1030, 1040, 1064, 1120, 1216, 1235, 1330, 1339, 1442, 1456, 1520, 1648, 1729, 1820, 1957, 1976, 2060, 2080, 2128, 2240, 2470, 2660, 2678, 2884, 2912, 3040, 3296, 3458, 3605, 3640, 3914, 3952, 4120, 4160, 4256, 4940, 5320, 5356, 5768, 5824, 6080, 6592, 6695, 6916, 7210, 7280, 7828, 7904, 8240, 8512, 8645, 9373, 9785, 9880, 10640, 10712, 11536, 13390, 13699, 13832, 14420, 14560, 15656, 15808, 16480, 17290, 18746, 19570, 19760, 21280, 21424, 23072, 25441, 26780, 27398, 27664, 28840, 29120, 31312, 32960, 34580, 37492, 39140, 39520, 42560, 42848, 46144, 46865, 50882, 53560, 54796, 55328, 57680, 62624, 68495, 69160, 74984, 78280, 79040, 85696, 93730, 101764, 107120, 109592, 110656, 115360, 125248, 127205, 136990, 138320, 149968, 156560, 178087, 187460, 203528, 214240, 219184, 230720, 254410, 273980, 276640, 299936, 313120, 356174, 374920, 407056, 428480, 438368, 508820, 547960, 553280, 599872, 626240, 712348, 749840, 814112, 876736, 890435, 1017640, 1095920, 1424696, 1499680, 1628224, 1780870, 2035280, 2191840, 2849392, 2999360, 3561740, 4070560, 4383680, 5698784, 7123480, 8141120, 11397568, 14246960, 28493920, 56987840]

約数ペア:

[(1, 56987840), (2, 28493920), (4, 14246960), (5, 11397568), (7, 8141120), (8, 7123480), (10, 5698784), (13, 4383680), (14, 4070560), (16, 3561740), (19, 2999360), (20, 2849392), (26, 2191840), (28, 2035280), (32, 1780870), (35, 1628224), (38, 1499680), (40, 1424696), (52, 1095920), (56, 1017640), (64, 890435), (65, 876736), (70, 814112), (76, 749840), (80, 712348), (91, 626240), (95, 599872), (103, 553280), (104, 547960), (112, 508820), (130, 438368), (133, 428480), (140, 407056), (152, 374920), (160, 356174), (182, 313120), (190, 299936), (206, 276640), (208, 273980), (224, 254410), (247, 230720), (260, 219184), (266, 214240), (280, 203528), (304, 187460), (320, 178087), (364, 156560), (380, 149968), (412, 138320), (416, 136990), (448, 127205), (455, 125248), (494, 115360), (515, 110656), (520, 109592), (532, 107120), (560, 101764), (608, 93730), (665, 85696), (721, 79040), (728, 78280), (760, 74984), (824, 69160), (832, 68495), (910, 62624), (988, 57680), (1030, 55328), (1040, 54796), (1064, 53560), (1120, 50882), (1216, 46865), (1235, 46144), (1330, 42848), (1339, 42560), (1442, 39520), (1456, 39140), (1520, 37492), (1648, 34580), (1729, 32960), (1820, 31312), (1957, 29120), (1976, 28840), (2060, 27664), (2080, 27398), (2128, 26780), (2240, 25441), (2470, 23072), (2660, 21424), (2678, 21280), (2884, 19760), (2912, 19570), (3040, 18746), (3296, 17290), (3458, 16480), (3605, 15808), (3640, 15656), (3914, 14560), (3952, 14420), (4120, 13832), (4160, 13699), (4256, 13390), (4940, 11536), (5320, 10712), (5356, 10640), (5768, 9880), (5824, 9785), (6080, 9373), (6592, 8645), (6695, 8512), (6916, 8240), (7210, 7904), (7280, 7828)]