399666240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1997

約数の個数: 168

約数和(自身を含む): 1394249688

約数和(自身を除く): 994583448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 192, 219, 240, 288, 292, 320, 360, 365, 438, 480, 576, 584, 657, 720, 730, 876, 960, 1095, 1168, 1314, 1440, 1460, 1752, 1901, 2190, 2336, 2628, 2880, 2920, 3285, 3504, 3802, 4380, 4672, 5256, 5703, 5840, 6570, 7008, 7604, 8760, 9505, 10512, 11406, 11680, 13140, 14016, 15208, 17109, 17520, 19010, 21024, 22812, 23360, 26280, 28515, 30416, 34218, 35040, 38020, 42048, 45624, 52560, 57030, 60832, 68436, 70080, 76040, 85545, 91248, 105120, 114060, 121664, 136872, 138773, 152080, 171090, 182496, 210240, 228120, 273744, 277546, 304160, 342180, 364992, 416319, 456240, 547488, 555092, 608320, 684360, 693865, 832638, 912480, 1094976, 1110184, 1248957, 1368720, 1387730, 1665276, 1824960, 2081595, 2220368, 2497914, 2737440, 2775460, 3330552, 4163190, 4440736, 4995828, 5474880, 5550920, 6244785, 6661104, 8326380, 8881472, 9991656, 11101840, 12489570, 13322208, 16652760, 19983312, 22203680, 24979140, 26644416, 33305520, 39966624, 44407360, 49958280, 66611040, 79933248, 99916560, 133222080, 199833120, 399666240]

約数ペア:

[(1, 399666240), (2, 199833120), (3, 133222080), (4, 99916560), (5, 79933248), (6, 66611040), (8, 49958280), (9, 44407360), (10, 39966624), (12, 33305520), (15, 26644416), (16, 24979140), (18, 22203680), (20, 19983312), (24, 16652760), (30, 13322208), (32, 12489570), (36, 11101840), (40, 9991656), (45, 8881472), (48, 8326380), (60, 6661104), (64, 6244785), (72, 5550920), (73, 5474880), (80, 4995828), (90, 4440736), (96, 4163190), (120, 3330552), (144, 2775460), (146, 2737440), (160, 2497914), (180, 2220368), (192, 2081595), (219, 1824960), (240, 1665276), (288, 1387730), (292, 1368720), (320, 1248957), (360, 1110184), (365, 1094976), (438, 912480), (480, 832638), (576, 693865), (584, 684360), (657, 608320), (720, 555092), (730, 547488), (876, 456240), (960, 416319), (1095, 364992), (1168, 342180), (1314, 304160), (1440, 277546), (1460, 273744), (1752, 228120), (1901, 210240), (2190, 182496), (2336, 171090), (2628, 152080), (2880, 138773), (2920, 136872), (3285, 121664), (3504, 114060), (3802, 105120), (4380, 91248), (4672, 85545), (5256, 76040), (5703, 70080), (5840, 68436), (6570, 60832), (7008, 57030), (7604, 52560), (8760, 45624), (9505, 42048), (10512, 38020), (11406, 35040), (11680, 34218), (13140, 30416), (14016, 28515), (15208, 26280), (17109, 23360), (17520, 22812), (19010, 21024)]