648389760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1697}}^1$

素因数の和:1918

約数の個数: 128

約数和(自身を含む): 2078352000

約数和(自身を除く): 1429962240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 199, 240, 320, 384, 398, 480, 597, 640, 796, 960, 995, 1194, 1592, 1697, 1920, 1990, 2388, 2985, 3184, 3394, 3980, 4776, 5091, 5970, 6368, 6788, 7960, 8485, 9552, 10182, 11940, 12736, 13576, 15920, 16970, 19104, 20364, 23880, 25455, 25472, 27152, 31840, 33940, 38208, 40728, 47760, 50910, 54304, 63680, 67880, 76416, 81456, 95520, 101820, 108608, 127360, 135760, 162912, 191040, 203640, 217216, 271520, 325824, 337703, 382080, 407280, 543040, 651648, 675406, 814560, 1013109, 1086080, 1350812, 1629120, 1688515, 2026218, 2701624, 3258240, 3377030, 4052436, 5065545, 5403248, 6754060, 8104872, 10131090, 10806496, 13508120, 16209744, 20262180, 21612992, 27016240, 32419488, 40524360, 43225984, 54032480, 64838976, 81048720, 108064960, 129677952, 162097440, 216129920, 324194880, 648389760]

約数ペア:

[(1, 648389760), (2, 324194880), (3, 216129920), (4, 162097440), (5, 129677952), (6, 108064960), (8, 81048720), (10, 64838976), (12, 54032480), (15, 43225984), (16, 40524360), (20, 32419488), (24, 27016240), (30, 21612992), (32, 20262180), (40, 16209744), (48, 13508120), (60, 10806496), (64, 10131090), (80, 8104872), (96, 6754060), (120, 5403248), (128, 5065545), (160, 4052436), (192, 3377030), (199, 3258240), (240, 2701624), (320, 2026218), (384, 1688515), (398, 1629120), (480, 1350812), (597, 1086080), (640, 1013109), (796, 814560), (960, 675406), (995, 651648), (1194, 543040), (1592, 407280), (1697, 382080), (1920, 337703), (1990, 325824), (2388, 271520), (2985, 217216), (3184, 203640), (3394, 191040), (3980, 162912), (4776, 135760), (5091, 127360), (5970, 108608), (6368, 101820), (6788, 95520), (7960, 81456), (8485, 76416), (9552, 67880), (10182, 63680), (11940, 54304), (12736, 50910), (13576, 47760), (15920, 40728), (16970, 38208), (19104, 33940), (20364, 31840), (23880, 27152), (25455, 25472)]