740510720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2371}}^1$

素因数の和:2457

約数の個数: 88

約数和(自身を含む): 1806240048

約数和(自身を除く): 1065729328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1024, 1220, 1280, 1952, 2371, 2440, 2560, 3904, 4742, 4880, 5120, 7808, 9484, 9760, 11855, 15616, 18968, 19520, 23710, 31232, 37936, 39040, 47420, 62464, 75872, 78080, 94840, 144631, 151744, 156160, 189680, 289262, 303488, 312320, 379360, 578524, 606976, 723155, 758720, 1157048, 1213952, 1446310, 1517440, 2314096, 2427904, 2892620, 3034880, 4628192, 5785240, 6069760, 9256384, 11570480, 12139520, 18512768, 23140960, 37025536, 46281920, 74051072, 92563840, 148102144, 185127680, 370255360, 740510720]

約数ペア:

[(1, 740510720), (2, 370255360), (4, 185127680), (5, 148102144), (8, 92563840), (10, 74051072), (16, 46281920), (20, 37025536), (32, 23140960), (40, 18512768), (61, 12139520), (64, 11570480), (80, 9256384), (122, 6069760), (128, 5785240), (160, 4628192), (244, 3034880), (256, 2892620), (305, 2427904), (320, 2314096), (488, 1517440), (512, 1446310), (610, 1213952), (640, 1157048), (976, 758720), (1024, 723155), (1220, 606976), (1280, 578524), (1952, 379360), (2371, 312320), (2440, 303488), (2560, 289262), (3904, 189680), (4742, 156160), (4880, 151744), (5120, 144631), (7808, 94840), (9484, 78080), (9760, 75872), (11855, 62464), (15616, 47420), (18968, 39040), (19520, 37936), (23710, 31232)]