400085280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2136

約数の個数: 288

約数和(自身を含む): 1643241600

約数和(自身を除く): 1243156320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2089, 2128, 2280, 2394, 2520, 2660, 2736, 3040, 3192, 3360, 3420, 3990, 4178, 4256, 4560, 4788, 5040, 5320, 5472, 5985, 6267, 6384, 6840, 7980, 8356, 9120, 9576, 10080, 10445, 10640, 11970, 12534, 12768, 13680, 14623, 15960, 16712, 18801, 19152, 20890, 21280, 23940, 25068, 27360, 29246, 31335, 31920, 33424, 37602, 38304, 39691, 41780, 43869, 47880, 50136, 58492, 62670, 63840, 66848, 73115, 75204, 79382, 83560, 87738, 94005, 95760, 100272, 116984, 119073, 125340, 131607, 146230, 150408, 158764, 167120, 175476, 188010, 191520, 198455, 200544, 219345, 233968, 238146, 250680, 263214, 277837, 292460, 300816, 317528, 334240, 350952, 357219, 376020, 396910, 438690, 467936, 476292, 501360, 526428, 555674, 584920, 595365, 601632, 635056, 658035, 701904, 714438, 752040, 793820, 833511, 877380, 952584, 1002720, 1052856, 1111348, 1169840, 1190730, 1270112, 1316070, 1389185, 1403808, 1428876, 1504080, 1587640, 1667022, 1754760, 1786095, 1905168, 2105712, 2222696, 2339680, 2381460, 2500533, 2632140, 2778370, 2857752, 3008160, 3175280, 3334044, 3509520, 3572190, 3810336, 4167555, 4211424, 4445392, 4762920, 5001066, 5264280, 5556740, 5715504, 6350560, 6668088, 7019040, 7144380, 8335110, 8890784, 9525840, 10002132, 10528560, 11113480, 11431008, 12502665, 13336176, 14288760, 16670220, 19051680, 20004264, 21057120, 22226960, 25005330, 26672352, 28577520, 33340440, 40008528, 44453920, 50010660, 57155040, 66680880, 80017056, 100021320, 133361760, 200042640, 400085280]

約数ペア:

[(1, 400085280), (2, 200042640), (3, 133361760), (4, 100021320), (5, 80017056), (6, 66680880), (7, 57155040), (8, 50010660), (9, 44453920), (10, 40008528), (12, 33340440), (14, 28577520), (15, 26672352), (16, 25005330), (18, 22226960), (19, 21057120), (20, 20004264), (21, 19051680), (24, 16670220), (28, 14288760), (30, 13336176), (32, 12502665), (35, 11431008), (36, 11113480), (38, 10528560), (40, 10002132), (42, 9525840), (45, 8890784), (48, 8335110), (56, 7144380), (57, 7019040), (60, 6668088), (63, 6350560), (70, 5715504), (72, 5556740), (76, 5264280), (80, 5001066), (84, 4762920), (90, 4445392), (95, 4211424), (96, 4167555), (105, 3810336), (112, 3572190), (114, 3509520), (120, 3334044), (126, 3175280), (133, 3008160), (140, 2857752), (144, 2778370), (152, 2632140), (160, 2500533), (168, 2381460), (171, 2339680), (180, 2222696), (190, 2105712), (210, 1905168), (224, 1786095), (228, 1754760), (240, 1667022), (252, 1587640), (266, 1504080), (280, 1428876), (285, 1403808), (288, 1389185), (304, 1316070), (315, 1270112), (336, 1190730), (342, 1169840), (360, 1111348), (380, 1052856), (399, 1002720), (420, 952584), (456, 877380), (480, 833511), (504, 793820), (532, 752040), (560, 714438), (570, 701904), (608, 658035), (630, 635056), (665, 601632), (672, 595365), (684, 584920), (720, 555674), (760, 526428), (798, 501360), (840, 476292), (855, 467936), (912, 438690), (1008, 396910), (1064, 376020), (1120, 357219), (1140, 350952), (1197, 334240), (1260, 317528), (1330, 300816), (1368, 292460), (1440, 277837), (1520, 263214), (1596, 250680), (1680, 238146), (1710, 233968), (1824, 219345), (1995, 200544), (2016, 198455), (2089, 191520), (2128, 188010), (2280, 175476), (2394, 167120), (2520, 158764), (2660, 150408), (2736, 146230), (3040, 131607), (3192, 125340), (3360, 119073), (3420, 116984), (3990, 100272), (4178, 95760), (4256, 94005), (4560, 87738), (4788, 83560), (5040, 79382), (5320, 75204), (5472, 73115), (5985, 66848), (6267, 63840), (6384, 62670), (6840, 58492), (7980, 50136), (8356, 47880), (9120, 43869), (9576, 41780), (10080, 39691), (10445, 38304), (10640, 37602), (11970, 33424), (12534, 31920), (12768, 31335), (13680, 29246), (14623, 27360), (15960, 25068), (16712, 23940), (18801, 21280), (19152, 20890)]