254516640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:595

約数の個数: 192

約数和(自身を含む): 923166720

約数和(自身を除く): 668650080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 211, 224, 240, 280, 336, 359, 420, 422, 480, 560, 633, 672, 718, 840, 844, 1055, 1077, 1120, 1266, 1436, 1477, 1680, 1688, 1795, 2110, 2154, 2513, 2532, 2872, 2954, 3165, 3360, 3376, 3590, 4220, 4308, 4431, 5026, 5064, 5385, 5744, 5908, 6330, 6752, 7180, 7385, 7539, 8440, 8616, 8862, 10052, 10128, 10770, 11488, 11816, 12565, 12660, 14360, 14770, 15078, 16880, 17232, 17724, 20104, 20256, 21540, 22155, 23632, 25130, 25320, 28720, 29540, 30156, 33760, 34464, 35448, 37695, 40208, 43080, 44310, 47264, 50260, 50640, 57440, 59080, 60312, 70896, 75390, 75749, 80416, 86160, 88620, 100520, 101280, 118160, 120624, 141792, 150780, 151498, 172320, 177240, 201040, 227247, 236320, 241248, 301560, 302996, 354480, 378745, 402080, 454494, 530243, 603120, 605992, 708960, 757490, 908988, 1060486, 1136235, 1206240, 1211984, 1514980, 1590729, 1817976, 2120972, 2272470, 2423968, 2651215, 3029960, 3181458, 3635952, 4241944, 4544940, 5302430, 6059920, 6362916, 7271904, 7953645, 8483888, 9089880, 10604860, 12119840, 12725832, 15907290, 16967776, 18179760, 21209720, 25451664, 31814580, 36359520, 42419440, 50903328, 63629160, 84838880, 127258320, 254516640]

約数ペア:

[(1, 254516640), (2, 127258320), (3, 84838880), (4, 63629160), (5, 50903328), (6, 42419440), (7, 36359520), (8, 31814580), (10, 25451664), (12, 21209720), (14, 18179760), (15, 16967776), (16, 15907290), (20, 12725832), (21, 12119840), (24, 10604860), (28, 9089880), (30, 8483888), (32, 7953645), (35, 7271904), (40, 6362916), (42, 6059920), (48, 5302430), (56, 4544940), (60, 4241944), (70, 3635952), (80, 3181458), (84, 3029960), (96, 2651215), (105, 2423968), (112, 2272470), (120, 2120972), (140, 1817976), (160, 1590729), (168, 1514980), (210, 1211984), (211, 1206240), (224, 1136235), (240, 1060486), (280, 908988), (336, 757490), (359, 708960), (420, 605992), (422, 603120), (480, 530243), (560, 454494), (633, 402080), (672, 378745), (718, 354480), (840, 302996), (844, 301560), (1055, 241248), (1077, 236320), (1120, 227247), (1266, 201040), (1436, 177240), (1477, 172320), (1680, 151498), (1688, 150780), (1795, 141792), (2110, 120624), (2154, 118160), (2513, 101280), (2532, 100520), (2872, 88620), (2954, 86160), (3165, 80416), (3360, 75749), (3376, 75390), (3590, 70896), (4220, 60312), (4308, 59080), (4431, 57440), (5026, 50640), (5064, 50260), (5385, 47264), (5744, 44310), (5908, 43080), (6330, 40208), (6752, 37695), (7180, 35448), (7385, 34464), (7539, 33760), (8440, 30156), (8616, 29540), (8862, 28720), (10052, 25320), (10128, 25130), (10770, 23632), (11488, 22155), (11816, 21540), (12565, 20256), (12660, 20104), (14360, 17724), (14770, 17232), (15078, 16880)]