51564240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:826

約数の個数: 240

約数和(自身を含む): 213403008

約数和(自身を除く): 161838768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 787, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1574, 1638, 1680, 1820, 1872, 2184, 2340, 2361, 2520, 2730, 3120, 3148, 3276, 3640, 3935, 4095, 4368, 4680, 4722, 5040, 5460, 5509, 6296, 6552, 7083, 7280, 7870, 8190, 9360, 9444, 10231, 10920, 11018, 11805, 12592, 13104, 14166, 15740, 16380, 16527, 18888, 20462, 21840, 22036, 23610, 27545, 28332, 30693, 31480, 32760, 33054, 35415, 37776, 40924, 44072, 47220, 49581, 51155, 55090, 56664, 61386, 62960, 65520, 66108, 70830, 71617, 81848, 82635, 88144, 92079, 94440, 99162, 102310, 110180, 113328, 122772, 132216, 141660, 143234, 153465, 163696, 165270, 184158, 188880, 198324, 204620, 214851, 220360, 245544, 247905, 264432, 283320, 286468, 306930, 330540, 358085, 368316, 396648, 409240, 429702, 440720, 460395, 491088, 495810, 566640, 572936, 613860, 644553, 661080, 716170, 736632, 793296, 818480, 859404, 920790, 991620, 1074255, 1145872, 1227720, 1289106, 1322160, 1432340, 1473264, 1718808, 1841580, 1983240, 2148510, 2455440, 2578212, 2864680, 3222765, 3437616, 3683160, 3966480, 4297020, 5156424, 5729360, 6445530, 7366320, 8594040, 10312848, 12891060, 17188080, 25782120, 51564240]

約数ペア:

[(1, 51564240), (2, 25782120), (3, 17188080), (4, 12891060), (5, 10312848), (6, 8594040), (7, 7366320), (8, 6445530), (9, 5729360), (10, 5156424), (12, 4297020), (13, 3966480), (14, 3683160), (15, 3437616), (16, 3222765), (18, 2864680), (20, 2578212), (21, 2455440), (24, 2148510), (26, 1983240), (28, 1841580), (30, 1718808), (35, 1473264), (36, 1432340), (39, 1322160), (40, 1289106), (42, 1227720), (45, 1145872), (48, 1074255), (52, 991620), (56, 920790), (60, 859404), (63, 818480), (65, 793296), (70, 736632), (72, 716170), (78, 661080), (80, 644553), (84, 613860), (90, 572936), (91, 566640), (104, 495810), (105, 491088), (112, 460395), (117, 440720), (120, 429702), (126, 409240), (130, 396648), (140, 368316), (144, 358085), (156, 330540), (168, 306930), (180, 286468), (182, 283320), (195, 264432), (208, 247905), (210, 245544), (234, 220360), (240, 214851), (252, 204620), (260, 198324), (273, 188880), (280, 184158), (312, 165270), (315, 163696), (336, 153465), (360, 143234), (364, 141660), (390, 132216), (420, 122772), (455, 113328), (468, 110180), (504, 102310), (520, 99162), (546, 94440), (560, 92079), (585, 88144), (624, 82635), (630, 81848), (720, 71617), (728, 70830), (780, 66108), (787, 65520), (819, 62960), (840, 61386), (910, 56664), (936, 55090), (1008, 51155), (1040, 49581), (1092, 47220), (1170, 44072), (1260, 40924), (1365, 37776), (1456, 35415), (1560, 33054), (1574, 32760), (1638, 31480), (1680, 30693), (1820, 28332), (1872, 27545), (2184, 23610), (2340, 22036), (2361, 21840), (2520, 20462), (2730, 18888), (3120, 16527), (3148, 16380), (3276, 15740), (3640, 14166), (3935, 13104), (4095, 12592), (4368, 11805), (4680, 11018), (4722, 10920), (5040, 10231), (5460, 9444), (5509, 9360), (6296, 8190), (6552, 7870), (7083, 7280)]