20173437720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2281}}^1$

素因数の和:2751

約数の個数: 256

約数和(自身を含む): 70979328000

約数和(自身を除く): 50805890280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 431, 456, 513, 540, 570, 684, 760, 855, 862, 1026, 1080, 1140, 1293, 1368, 1710, 1724, 2052, 2155, 2280, 2281, 2565, 2586, 3420, 3448, 3879, 4104, 4310, 4562, 5130, 5172, 6465, 6840, 6843, 7758, 8189, 8620, 9124, 10260, 10344, 11405, 11637, 12930, 13686, 15516, 16378, 17240, 18248, 19395, 20520, 20529, 22810, 23274, 24567, 25860, 27372, 31032, 32756, 34215, 38790, 40945, 41058, 43339, 45620, 46548, 49134, 51720, 54744, 58185, 61587, 65512, 68430, 73701, 77580, 81890, 82116, 86678, 91240, 93096, 98268, 102645, 116370, 122835, 123174, 130017, 136860, 147402, 155160, 163780, 164232, 173356, 196536, 205290, 216695, 221103, 232740, 245670, 246348, 260034, 273720, 294804, 307935, 327560, 346712, 368505, 390051, 410580, 433390, 442206, 465480, 491340, 492696, 520068, 589608, 615870, 650085, 737010, 780102, 821160, 866780, 884412, 982680, 983111, 1040136, 1105515, 1170153, 1231740, 1300170, 1474020, 1560204, 1733560, 1768824, 1950255, 1966222, 2211030, 2340306, 2463480, 2600340, 2948040, 2949333, 3120408, 3900510, 3932444, 4422060, 4680612, 4915555, 5200680, 5850765, 5898666, 7801020, 7864888, 8844120, 8847999, 9361224, 9831110, 11701530, 11797332, 14746665, 15602040, 17695998, 18679109, 19662220, 23403060, 23594664, 26543997, 29493330, 35391996, 37358218, 39324440, 44239995, 46806120, 53087994, 56037327, 58986660, 70783992, 74716436, 88479990, 93395545, 106175988, 112074654, 117973320, 132719985, 149432872, 168111981, 176959980, 186791090, 212351976, 224149308, 265439970, 280186635, 336223962, 353919960, 373582180, 448298616, 504335943, 530879940, 560373270, 672447924, 747164360, 840559905, 1008671886, 1061759880, 1120746540, 1344895848, 1681119810, 2017343772, 2241493080, 2521679715, 3362239620, 4034687544, 5043359430, 6724479240, 10086718860, 20173437720]

約数ペア:

[(1, 20173437720), (2, 10086718860), (3, 6724479240), (4, 5043359430), (5, 4034687544), (6, 3362239620), (8, 2521679715), (9, 2241493080), (10, 2017343772), (12, 1681119810), (15, 1344895848), (18, 1120746540), (19, 1061759880), (20, 1008671886), (24, 840559905), (27, 747164360), (30, 672447924), (36, 560373270), (38, 530879940), (40, 504335943), (45, 448298616), (54, 373582180), (57, 353919960), (60, 336223962), (72, 280186635), (76, 265439970), (90, 224149308), (95, 212351976), (108, 186791090), (114, 176959980), (120, 168111981), (135, 149432872), (152, 132719985), (171, 117973320), (180, 112074654), (190, 106175988), (216, 93395545), (228, 88479990), (270, 74716436), (285, 70783992), (342, 58986660), (360, 56037327), (380, 53087994), (431, 46806120), (456, 44239995), (513, 39324440), (540, 37358218), (570, 35391996), (684, 29493330), (760, 26543997), (855, 23594664), (862, 23403060), (1026, 19662220), (1080, 18679109), (1140, 17695998), (1293, 15602040), (1368, 14746665), (1710, 11797332), (1724, 11701530), (2052, 9831110), (2155, 9361224), (2280, 8847999), (2281, 8844120), (2565, 7864888), (2586, 7801020), (3420, 5898666), (3448, 5850765), (3879, 5200680), (4104, 4915555), (4310, 4680612), (4562, 4422060), (5130, 3932444), (5172, 3900510), (6465, 3120408), (6840, 2949333), (6843, 2948040), (7758, 2600340), (8189, 2463480), (8620, 2340306), (9124, 2211030), (10260, 1966222), (10344, 1950255), (11405, 1768824), (11637, 1733560), (12930, 1560204), (13686, 1474020), (15516, 1300170), (16378, 1231740), (17240, 1170153), (18248, 1105515), (19395, 1040136), (20520, 983111), (20529, 982680), (22810, 884412), (23274, 866780), (24567, 821160), (25860, 780102), (27372, 737010), (31032, 650085), (32756, 615870), (34215, 589608), (38790, 520068), (40945, 492696), (41058, 491340), (43339, 465480), (45620, 442206), (46548, 433390), (49134, 410580), (51720, 390051), (54744, 368505), (58185, 346712), (61587, 327560), (65512, 307935), (68430, 294804), (73701, 273720), (77580, 260034), (81890, 246348), (82116, 245670), (86678, 232740), (91240, 221103), (93096, 216695), (98268, 205290), (102645, 196536), (116370, 173356), (122835, 164232), (123174, 163780), (130017, 155160), (136860, 147402)]