217747440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:538

約数の個数: 240

約数和(自身を含む): 792949248

約数和(自身を除く): 575201808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 243, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 486, 487, 540, 552, 621, 648, 690, 720, 810, 828, 920, 972, 974, 1035, 1080, 1104, 1215, 1242, 1296, 1380, 1461, 1620, 1656, 1840, 1863, 1944, 1948, 2070, 2160, 2430, 2435, 2484, 2760, 2922, 3105, 3240, 3312, 3726, 3888, 3896, 4140, 4383, 4860, 4870, 4968, 5520, 5589, 5844, 6210, 6480, 7305, 7452, 7792, 8280, 8766, 9315, 9720, 9740, 9936, 11178, 11201, 11688, 12420, 13149, 14610, 14904, 16560, 17532, 18630, 19440, 19480, 21915, 22356, 22402, 23376, 24840, 26298, 27945, 29220, 29808, 33603, 35064, 37260, 38960, 39447, 43830, 44712, 44804, 49680, 52596, 55890, 56005, 58440, 65745, 67206, 70128, 74520, 78894, 87660, 89424, 89608, 100809, 105192, 111780, 112010, 116880, 118341, 131490, 134412, 149040, 157788, 168015, 175320, 179216, 197235, 201618, 210384, 223560, 224020, 236682, 262980, 268824, 302427, 315576, 336030, 350640, 394470, 403236, 447120, 448040, 473364, 504045, 525960, 537648, 591705, 604854, 631152, 672060, 788940, 806472, 896080, 907281, 946728, 1008090, 1051920, 1183410, 1209708, 1344120, 1512135, 1577880, 1612944, 1814562, 1893456, 2016180, 2366820, 2419416, 2688240, 2721843, 3024270, 3155760, 3629124, 4032360, 4536405, 4733640, 4838832, 5443686, 6048540, 7258248, 8064720, 9072810, 9467280, 10887372, 12097080, 13609215, 14516496, 18145620, 21774744, 24194160, 27218430, 36291240, 43549488, 54436860, 72582480, 108873720, 217747440]

約数ペア:

[(1, 217747440), (2, 108873720), (3, 72582480), (4, 54436860), (5, 43549488), (6, 36291240), (8, 27218430), (9, 24194160), (10, 21774744), (12, 18145620), (15, 14516496), (16, 13609215), (18, 12097080), (20, 10887372), (23, 9467280), (24, 9072810), (27, 8064720), (30, 7258248), (36, 6048540), (40, 5443686), (45, 4838832), (46, 4733640), (48, 4536405), (54, 4032360), (60, 3629124), (69, 3155760), (72, 3024270), (80, 2721843), (81, 2688240), (90, 2419416), (92, 2366820), (108, 2016180), (115, 1893456), (120, 1814562), (135, 1612944), (138, 1577880), (144, 1512135), (162, 1344120), (180, 1209708), (184, 1183410), (207, 1051920), (216, 1008090), (230, 946728), (240, 907281), (243, 896080), (270, 806472), (276, 788940), (324, 672060), (345, 631152), (360, 604854), (368, 591705), (405, 537648), (414, 525960), (432, 504045), (460, 473364), (486, 448040), (487, 447120), (540, 403236), (552, 394470), (621, 350640), (648, 336030), (690, 315576), (720, 302427), (810, 268824), (828, 262980), (920, 236682), (972, 224020), (974, 223560), (1035, 210384), (1080, 201618), (1104, 197235), (1215, 179216), (1242, 175320), (1296, 168015), (1380, 157788), (1461, 149040), (1620, 134412), (1656, 131490), (1840, 118341), (1863, 116880), (1944, 112010), (1948, 111780), (2070, 105192), (2160, 100809), (2430, 89608), (2435, 89424), (2484, 87660), (2760, 78894), (2922, 74520), (3105, 70128), (3240, 67206), (3312, 65745), (3726, 58440), (3888, 56005), (3896, 55890), (4140, 52596), (4383, 49680), (4860, 44804), (4870, 44712), (4968, 43830), (5520, 39447), (5589, 38960), (5844, 37260), (6210, 35064), (6480, 33603), (7305, 29808), (7452, 29220), (7792, 27945), (8280, 26298), (8766, 24840), (9315, 23376), (9720, 22402), (9740, 22356), (9936, 21915), (11178, 19480), (11201, 19440), (11688, 18630), (12420, 17532), (13149, 16560), (14610, 14904)]