211731240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 256

約数和(自身を含む): 769720320

約数和(自身を除く): 557989080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 47, 56, 60, 62, 70, 84, 93, 94, 105, 120, 124, 140, 141, 155, 168, 173, 186, 188, 210, 217, 235, 248, 280, 282, 310, 329, 346, 372, 376, 420, 434, 465, 470, 519, 564, 620, 651, 658, 692, 705, 744, 840, 865, 868, 930, 940, 987, 1038, 1085, 1128, 1211, 1240, 1302, 1316, 1384, 1410, 1457, 1645, 1730, 1736, 1860, 1880, 1974, 2076, 2170, 2422, 2595, 2604, 2632, 2820, 2914, 3255, 3290, 3460, 3633, 3720, 3948, 4152, 4340, 4371, 4844, 4935, 5190, 5208, 5363, 5640, 5828, 6055, 6510, 6580, 6920, 7266, 7285, 7896, 8131, 8680, 8742, 9688, 9870, 10199, 10380, 10726, 11656, 12110, 13020, 13160, 14532, 14570, 16089, 16262, 17484, 18165, 19740, 20398, 20760, 21452, 21855, 24220, 24393, 26040, 26815, 29064, 29140, 30597, 32178, 32524, 34968, 36330, 37541, 39480, 40655, 40796, 42904, 43710, 48440, 48786, 50995, 53630, 56917, 58280, 61194, 64356, 65048, 72660, 75082, 80445, 81310, 81592, 87420, 97572, 101990, 107260, 112623, 113834, 121965, 122388, 128712, 145320, 150164, 152985, 160890, 162620, 170751, 174840, 187705, 195144, 203980, 214520, 225246, 227668, 243930, 244776, 252061, 284585, 300328, 305970, 321780, 325240, 341502, 375410, 407960, 450492, 455336, 487860, 504122, 563115, 569170, 611940, 643560, 683004, 750820, 756183, 853755, 900984, 975720, 1008244, 1126230, 1138340, 1223880, 1260305, 1366008, 1501640, 1512366, 1707510, 1764427, 2016488, 2252460, 2276680, 2520610, 3024732, 3415020, 3528854, 3780915, 4504920, 5041220, 5293281, 6049464, 6830040, 7057708, 7561830, 8822135, 10082440, 10586562, 14115416, 15123660, 17644270, 21173124, 26466405, 30247320, 35288540, 42346248, 52932810, 70577080, 105865620, 211731240]

約数ペア:

[(1, 211731240), (2, 105865620), (3, 70577080), (4, 52932810), (5, 42346248), (6, 35288540), (7, 30247320), (8, 26466405), (10, 21173124), (12, 17644270), (14, 15123660), (15, 14115416), (20, 10586562), (21, 10082440), (24, 8822135), (28, 7561830), (30, 7057708), (31, 6830040), (35, 6049464), (40, 5293281), (42, 5041220), (47, 4504920), (56, 3780915), (60, 3528854), (62, 3415020), (70, 3024732), (84, 2520610), (93, 2276680), (94, 2252460), (105, 2016488), (120, 1764427), (124, 1707510), (140, 1512366), (141, 1501640), (155, 1366008), (168, 1260305), (173, 1223880), (186, 1138340), (188, 1126230), (210, 1008244), (217, 975720), (235, 900984), (248, 853755), (280, 756183), (282, 750820), (310, 683004), (329, 643560), (346, 611940), (372, 569170), (376, 563115), (420, 504122), (434, 487860), (465, 455336), (470, 450492), (519, 407960), (564, 375410), (620, 341502), (651, 325240), (658, 321780), (692, 305970), (705, 300328), (744, 284585), (840, 252061), (865, 244776), (868, 243930), (930, 227668), (940, 225246), (987, 214520), (1038, 203980), (1085, 195144), (1128, 187705), (1211, 174840), (1240, 170751), (1302, 162620), (1316, 160890), (1384, 152985), (1410, 150164), (1457, 145320), (1645, 128712), (1730, 122388), (1736, 121965), (1860, 113834), (1880, 112623), (1974, 107260), (2076, 101990), (2170, 97572), (2422, 87420), (2595, 81592), (2604, 81310), (2632, 80445), (2820, 75082), (2914, 72660), (3255, 65048), (3290, 64356), (3460, 61194), (3633, 58280), (3720, 56917), (3948, 53630), (4152, 50995), (4340, 48786), (4371, 48440), (4844, 43710), (4935, 42904), (5190, 40796), (5208, 40655), (5363, 39480), (5640, 37541), (5828, 36330), (6055, 34968), (6510, 32524), (6580, 32178), (6920, 30597), (7266, 29140), (7285, 29064), (7896, 26815), (8131, 26040), (8680, 24393), (8742, 24220), (9688, 21855), (9870, 21452), (10199, 20760), (10380, 20398), (10726, 19740), (11656, 18165), (12110, 17484), (13020, 16262), (13160, 16089), (14532, 14570)]