1971117720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12763}}^1$

素因数の和:12807

約数の個数: 256

約数和(自身を含む): 7719667200

約数和(自身を除く): 5748549480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 27, 30, 33, 36, 39, 40, 44, 45, 52, 54, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 108, 110, 117, 120, 130, 132, 135, 143, 156, 165, 180, 195, 198, 216, 220, 234, 260, 264, 270, 286, 297, 312, 330, 351, 360, 390, 396, 429, 440, 468, 495, 520, 540, 572, 585, 594, 660, 702, 715, 780, 792, 858, 936, 990, 1080, 1144, 1170, 1188, 1287, 1320, 1404, 1430, 1485, 1560, 1716, 1755, 1980, 2145, 2340, 2376, 2574, 2808, 2860, 2970, 3432, 3510, 3861, 3960, 4290, 4680, 5148, 5720, 5940, 6435, 7020, 7722, 8580, 10296, 11880, 12763, 12870, 14040, 15444, 17160, 19305, 25526, 25740, 30888, 38289, 38610, 51052, 51480, 63815, 76578, 77220, 102104, 114867, 127630, 140393, 153156, 154440, 165919, 191445, 229734, 255260, 280786, 306312, 331838, 344601, 382890, 421179, 459468, 497757, 510520, 561572, 574335, 663676, 689202, 701965, 765780, 829595, 842358, 918936, 995514, 1123144, 1148670, 1263537, 1327352, 1378404, 1403930, 1493271, 1531560, 1659190, 1684716, 1723005, 1825109, 1991028, 2105895, 2297340, 2488785, 2527074, 2756808, 2807860, 2986542, 3318380, 3369432, 3446010, 3650218, 3790611, 3982056, 4211790, 4479813, 4594680, 4977570, 5054148, 5475327, 5615720, 5973084, 6317685, 6636760, 6892020, 7300436, 7466355, 7581222, 8423580, 8959626, 9125545, 9955140, 10108296, 10950654, 11946168, 12635370, 13784040, 14600872, 14932710, 15162444, 16425981, 16847160, 17919252, 18251090, 18953055, 19910280, 21901308, 22399065, 25270740, 27376635, 29865420, 30324888, 32851962, 35838504, 36502180, 37906110, 43802616, 44798130, 49277943, 50541480, 54753270, 59730840, 65703924, 73004360, 75812220, 82129905, 89596260, 98555886, 109506540, 131407848, 151624440, 164259810, 179192520, 197111772, 219013080, 246389715, 328519620, 394223544, 492779430, 657039240, 985558860, 1971117720]

約数ペア:

[(1, 1971117720), (2, 985558860), (3, 657039240), (4, 492779430), (5, 394223544), (6, 328519620), (8, 246389715), (9, 219013080), (10, 197111772), (11, 179192520), (12, 164259810), (13, 151624440), (15, 131407848), (18, 109506540), (20, 98555886), (22, 89596260), (24, 82129905), (26, 75812220), (27, 73004360), (30, 65703924), (33, 59730840), (36, 54753270), (39, 50541480), (40, 49277943), (44, 44798130), (45, 43802616), (52, 37906110), (54, 36502180), (55, 35838504), (60, 32851962), (65, 30324888), (66, 29865420), (72, 27376635), (78, 25270740), (88, 22399065), (90, 21901308), (99, 19910280), (104, 18953055), (108, 18251090), (110, 17919252), (117, 16847160), (120, 16425981), (130, 15162444), (132, 14932710), (135, 14600872), (143, 13784040), (156, 12635370), (165, 11946168), (180, 10950654), (195, 10108296), (198, 9955140), (216, 9125545), (220, 8959626), (234, 8423580), (260, 7581222), (264, 7466355), (270, 7300436), (286, 6892020), (297, 6636760), (312, 6317685), (330, 5973084), (351, 5615720), (360, 5475327), (390, 5054148), (396, 4977570), (429, 4594680), (440, 4479813), (468, 4211790), (495, 3982056), (520, 3790611), (540, 3650218), (572, 3446010), (585, 3369432), (594, 3318380), (660, 2986542), (702, 2807860), (715, 2756808), (780, 2527074), (792, 2488785), (858, 2297340), (936, 2105895), (990, 1991028), (1080, 1825109), (1144, 1723005), (1170, 1684716), (1188, 1659190), (1287, 1531560), (1320, 1493271), (1404, 1403930), (1430, 1378404), (1485, 1327352), (1560, 1263537), (1716, 1148670), (1755, 1123144), (1980, 995514), (2145, 918936), (2340, 842358), (2376, 829595), (2574, 765780), (2808, 701965), (2860, 689202), (2970, 663676), (3432, 574335), (3510, 561572), (3861, 510520), (3960, 497757), (4290, 459468), (4680, 421179), (5148, 382890), (5720, 344601), (5940, 331838), (6435, 306312), (7020, 280786), (7722, 255260), (8580, 229734), (10296, 191445), (11880, 165919), (12763, 154440), (12870, 153156), (14040, 140393), (15444, 127630), (17160, 114867), (19305, 102104), (25526, 77220), (25740, 76578), (30888, 63815), (38289, 51480), (38610, 51052)]