1254750720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1046

約数の個数: 160

約数和(自身を含む): 4036348800

約数和(自身を除く): 2781598080

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, 256, 320, 384, 398, 480, 512, 597, 640, 768, 796, 821, 960, 995, 1194, 1280, 1536, 1592, 1642, 1920, 1990, 2388, 2463, 2560, 2985, 3184, 3284, 3840, 3980, 4105, 4776, 4926, 5970, 6368, 6568, 7680, 7960, 8210, 9552, 9852, 11940, 12315, 12736, 13136, 15920, 16420, 19104, 19704, 23880, 24630, 25472, 26272, 31840, 32840, 38208, 39408, 47760, 49260, 50944, 52544, 63680, 65680, 76416, 78816, 95520, 98520, 101888, 105088, 127360, 131360, 152832, 157632, 163379, 191040, 197040, 210176, 254720, 262720, 305664, 315264, 326758, 382080, 394080, 420352, 490137, 509440, 525440, 630528, 653516, 764160, 788160, 816895, 980274, 1050880, 1261056, 1307032, 1528320, 1576320, 1633790, 1960548, 2101760, 2450685, 2614064, 3152640, 3267580, 3921096, 4901370, 5228128, 6305280, 6535160, 7842192, 9802740, 10456256, 13070320, 15684384, 19605480, 20912512, 26140640, 31368768, 39210960, 41825024, 52281280, 62737536, 78421920, 83650048, 104562560, 125475072, 156843840, 209125120, 250950144, 313687680, 418250240, 627375360, 1254750720]

約数ペア:

[(1, 1254750720), (2, 627375360), (3, 418250240), (4, 313687680), (5, 250950144), (6, 209125120), (8, 156843840), (10, 125475072), (12, 104562560), (15, 83650048), (16, 78421920), (20, 62737536), (24, 52281280), (30, 41825024), (32, 39210960), (40, 31368768), (48, 26140640), (60, 20912512), (64, 19605480), (80, 15684384), (96, 13070320), (120, 10456256), (128, 9802740), (160, 7842192), (192, 6535160), (199, 6305280), (240, 5228128), (256, 4901370), (320, 3921096), (384, 3267580), (398, 3152640), (480, 2614064), (512, 2450685), (597, 2101760), (640, 1960548), (768, 1633790), (796, 1576320), (821, 1528320), (960, 1307032), (995, 1261056), (1194, 1050880), (1280, 980274), (1536, 816895), (1592, 788160), (1642, 764160), (1920, 653516), (1990, 630528), (2388, 525440), (2463, 509440), (2560, 490137), (2985, 420352), (3184, 394080), (3284, 382080), (3840, 326758), (3980, 315264), (4105, 305664), (4776, 262720), (4926, 254720), (5970, 210176), (6368, 197040), (6568, 191040), (7680, 163379), (7960, 157632), (8210, 152832), (9552, 131360), (9852, 127360), (11940, 105088), (12315, 101888), (12736, 98520), (13136, 95520), (15920, 78816), (16420, 76416), (19104, 65680), (19704, 63680), (23880, 52544), (24630, 50944), (25472, 49260), (26272, 47760), (31840, 39408), (32840, 38208)]