84638720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 88

約数和(自身を含む): 207123648

約数和(自身を除く): 122484928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 271, 305, 320, 488, 512, 542, 610, 640, 976, 1024, 1084, 1220, 1280, 1355, 1952, 2168, 2440, 2560, 2710, 3904, 4336, 4880, 5120, 5420, 7808, 8672, 9760, 10840, 15616, 16531, 17344, 19520, 21680, 31232, 33062, 34688, 39040, 43360, 62464, 66124, 69376, 78080, 82655, 86720, 132248, 138752, 156160, 165310, 173440, 264496, 277504, 312320, 330620, 346880, 528992, 661240, 693760, 1057984, 1322480, 1387520, 2115968, 2644960, 4231936, 5289920, 8463872, 10579840, 16927744, 21159680, 42319360, 84638720]

約数ペア:

[(1, 84638720), (2, 42319360), (4, 21159680), (5, 16927744), (8, 10579840), (10, 8463872), (16, 5289920), (20, 4231936), (32, 2644960), (40, 2115968), (61, 1387520), (64, 1322480), (80, 1057984), (122, 693760), (128, 661240), (160, 528992), (244, 346880), (256, 330620), (271, 312320), (305, 277504), (320, 264496), (488, 173440), (512, 165310), (542, 156160), (610, 138752), (640, 132248), (976, 86720), (1024, 82655), (1084, 78080), (1220, 69376), (1280, 66124), (1355, 62464), (1952, 43360), (2168, 39040), (2440, 34688), (2560, 33062), (2710, 31232), (3904, 21680), (4336, 19520), (4880, 17344), (5120, 16531), (5420, 15616), (7808, 10840), (8672, 9760)]