281543360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 224

約数和(自身を含む): 815400960

約数和(自身を除く): 533857600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 43, 56, 64, 70, 74, 79, 80, 86, 112, 140, 148, 158, 160, 172, 185, 215, 224, 259, 280, 296, 301, 316, 320, 344, 370, 395, 430, 448, 518, 553, 560, 592, 602, 632, 688, 740, 790, 860, 1036, 1106, 1120, 1184, 1204, 1264, 1295, 1376, 1480, 1505, 1580, 1591, 1720, 2072, 2212, 2240, 2368, 2408, 2528, 2590, 2752, 2765, 2923, 2960, 3010, 3160, 3182, 3397, 3440, 4144, 4424, 4816, 5056, 5180, 5530, 5846, 5920, 6020, 6320, 6364, 6794, 6880, 7955, 8288, 8848, 9632, 10360, 11060, 11137, 11692, 11840, 12040, 12640, 12728, 13588, 13760, 14615, 15910, 16576, 16985, 17696, 19264, 20461, 20720, 22120, 22274, 23384, 23779, 24080, 25280, 25456, 27176, 29230, 31820, 33970, 35392, 40922, 41440, 44240, 44548, 46768, 47558, 48160, 50912, 54352, 55685, 58460, 63640, 67940, 81844, 82880, 88480, 89096, 93536, 95116, 96320, 101824, 102305, 108704, 111370, 116920, 118895, 125689, 127280, 135880, 163688, 176960, 178192, 187072, 190232, 204610, 217408, 222740, 233840, 237790, 251378, 254560, 271760, 327376, 356384, 380464, 409220, 445480, 467680, 475580, 502756, 509120, 543520, 628445, 654752, 712768, 760928, 818440, 879823, 890960, 935360, 951160, 1005512, 1087040, 1256890, 1309504, 1521856, 1636880, 1759646, 1781920, 1902320, 2011024, 2513780, 3273760, 3519292, 3563840, 3804640, 4022048, 4399115, 5027560, 6547520, 7038584, 7609280, 8044096, 8798230, 10055120, 14077168, 17596460, 20110240, 28154336, 35192920, 40220480, 56308672, 70385840, 140771680, 281543360]

約数ペア:

[(1, 281543360), (2, 140771680), (4, 70385840), (5, 56308672), (7, 40220480), (8, 35192920), (10, 28154336), (14, 20110240), (16, 17596460), (20, 14077168), (28, 10055120), (32, 8798230), (35, 8044096), (37, 7609280), (40, 7038584), (43, 6547520), (56, 5027560), (64, 4399115), (70, 4022048), (74, 3804640), (79, 3563840), (80, 3519292), (86, 3273760), (112, 2513780), (140, 2011024), (148, 1902320), (158, 1781920), (160, 1759646), (172, 1636880), (185, 1521856), (215, 1309504), (224, 1256890), (259, 1087040), (280, 1005512), (296, 951160), (301, 935360), (316, 890960), (320, 879823), (344, 818440), (370, 760928), (395, 712768), (430, 654752), (448, 628445), (518, 543520), (553, 509120), (560, 502756), (592, 475580), (602, 467680), (632, 445480), (688, 409220), (740, 380464), (790, 356384), (860, 327376), (1036, 271760), (1106, 254560), (1120, 251378), (1184, 237790), (1204, 233840), (1264, 222740), (1295, 217408), (1376, 204610), (1480, 190232), (1505, 187072), (1580, 178192), (1591, 176960), (1720, 163688), (2072, 135880), (2212, 127280), (2240, 125689), (2368, 118895), (2408, 116920), (2528, 111370), (2590, 108704), (2752, 102305), (2765, 101824), (2923, 96320), (2960, 95116), (3010, 93536), (3160, 89096), (3182, 88480), (3397, 82880), (3440, 81844), (4144, 67940), (4424, 63640), (4816, 58460), (5056, 55685), (5180, 54352), (5530, 50912), (5846, 48160), (5920, 47558), (6020, 46768), (6320, 44548), (6364, 44240), (6794, 41440), (6880, 40922), (7955, 35392), (8288, 33970), (8848, 31820), (9632, 29230), (10360, 27176), (11060, 25456), (11137, 25280), (11692, 24080), (11840, 23779), (12040, 23384), (12640, 22274), (12728, 22120), (13588, 20720), (13760, 20461), (14615, 19264), (15910, 17696), (16576, 16985)]