638382080

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 208

約数和(自身を含む): 1803854784

約数和(自身を除く): 1165472704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 73, 80, 112, 122, 128, 140, 146, 160, 224, 244, 256, 280, 292, 305, 320, 365, 427, 448, 488, 511, 512, 560, 584, 610, 640, 730, 854, 896, 976, 1022, 1024, 1120, 1168, 1220, 1280, 1460, 1708, 1792, 1952, 2044, 2048, 2135, 2240, 2336, 2440, 2555, 2560, 2920, 3416, 3584, 3904, 4088, 4096, 4270, 4453, 4480, 4672, 4880, 5110, 5120, 5840, 6832, 7168, 7808, 8176, 8540, 8906, 8960, 9344, 9760, 10220, 10240, 11680, 13664, 14336, 15616, 16352, 17080, 17812, 17920, 18688, 19520, 20440, 20480, 22265, 23360, 27328, 28672, 31171, 31232, 32704, 34160, 35624, 35840, 37376, 39040, 40880, 44530, 46720, 54656, 62342, 62464, 65408, 68320, 71248, 71680, 74752, 78080, 81760, 89060, 93440, 109312, 124684, 124928, 130816, 136640, 142496, 143360, 149504, 155855, 156160, 163520, 178120, 186880, 218624, 249368, 249856, 261632, 273280, 284992, 299008, 311710, 312320, 327040, 356240, 373760, 437248, 498736, 523264, 546560, 569984, 623420, 624640, 654080, 712480, 747520, 874496, 997472, 1046528, 1093120, 1139968, 1246840, 1249280, 1308160, 1424960, 1495040, 1748992, 1994944, 2093056, 2186240, 2279936, 2493680, 2616320, 2849920, 3989888, 4372480, 4559872, 4987360, 5232640, 5699840, 7979776, 8744960, 9119744, 9974720, 10465280, 11399680, 15959552, 18239488, 19949440, 22799360, 31919104, 39898880, 45598720, 63838208, 79797760, 91197440, 127676416, 159595520, 319191040, 638382080]

約数ペア:

[(1, 638382080), (2, 319191040), (4, 159595520), (5, 127676416), (7, 91197440), (8, 79797760), (10, 63838208), (14, 45598720), (16, 39898880), (20, 31919104), (28, 22799360), (32, 19949440), (35, 18239488), (40, 15959552), (56, 11399680), (61, 10465280), (64, 9974720), (70, 9119744), (73, 8744960), (80, 7979776), (112, 5699840), (122, 5232640), (128, 4987360), (140, 4559872), (146, 4372480), (160, 3989888), (224, 2849920), (244, 2616320), (256, 2493680), (280, 2279936), (292, 2186240), (305, 2093056), (320, 1994944), (365, 1748992), (427, 1495040), (448, 1424960), (488, 1308160), (511, 1249280), (512, 1246840), (560, 1139968), (584, 1093120), (610, 1046528), (640, 997472), (730, 874496), (854, 747520), (896, 712480), (976, 654080), (1022, 624640), (1024, 623420), (1120, 569984), (1168, 546560), (1220, 523264), (1280, 498736), (1460, 437248), (1708, 373760), (1792, 356240), (1952, 327040), (2044, 312320), (2048, 311710), (2135, 299008), (2240, 284992), (2336, 273280), (2440, 261632), (2555, 249856), (2560, 249368), (2920, 218624), (3416, 186880), (3584, 178120), (3904, 163520), (4088, 156160), (4096, 155855), (4270, 149504), (4453, 143360), (4480, 142496), (4672, 136640), (4880, 130816), (5110, 124928), (5120, 124684), (5840, 109312), (6832, 93440), (7168, 89060), (7808, 81760), (8176, 78080), (8540, 74752), (8906, 71680), (8960, 71248), (9344, 68320), (9760, 65408), (10220, 62464), (10240, 62342), (11680, 54656), (13664, 46720), (14336, 44530), (15616, 40880), (16352, 39040), (17080, 37376), (17812, 35840), (17920, 35624), (18688, 34160), (19520, 32704), (20440, 31232), (20480, 31171), (22265, 28672), (23360, 27328)]