51771960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 189703800

約数和(自身を除く): 137931840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 29, 30, 36, 38, 40, 45, 54, 57, 58, 60, 72, 76, 81, 87, 90, 95, 108, 114, 116, 120, 135, 145, 152, 162, 171, 174, 180, 190, 216, 228, 232, 261, 270, 285, 290, 324, 342, 348, 360, 380, 405, 435, 456, 513, 522, 540, 551, 570, 580, 648, 684, 696, 760, 783, 810, 841, 855, 870, 1026, 1044, 1080, 1102, 1140, 1160, 1305, 1368, 1539, 1566, 1620, 1653, 1682, 1710, 1740, 2052, 2088, 2204, 2280, 2349, 2523, 2565, 2610, 2755, 3078, 3132, 3240, 3306, 3364, 3420, 3480, 3915, 4104, 4205, 4408, 4698, 4959, 5046, 5130, 5220, 5510, 6156, 6264, 6612, 6728, 6840, 7569, 7695, 7830, 8265, 8410, 9396, 9918, 10092, 10260, 10440, 11020, 11745, 12312, 12615, 13224, 14877, 15138, 15390, 15660, 15979, 16530, 16820, 18792, 19836, 20184, 20520, 22040, 22707, 23490, 24795, 25230, 29754, 30276, 30780, 31320, 31958, 33060, 33640, 37845, 39672, 44631, 45414, 46980, 47937, 49590, 50460, 59508, 60552, 61560, 63916, 66120, 68121, 74385, 75690, 79895, 89262, 90828, 93960, 95874, 99180, 100920, 113535, 119016, 127832, 136242, 143811, 148770, 151380, 159790, 178524, 181656, 191748, 198360, 223155, 227070, 239685, 272484, 287622, 297540, 302760, 319580, 340605, 357048, 383496, 431433, 446310, 454140, 479370, 544968, 575244, 595080, 639160, 681210, 719055, 862866, 892620, 908280, 958740, 1150488, 1294299, 1362420, 1438110, 1725732, 1785240, 1917480, 2157165, 2588598, 2724840, 2876220, 3451464, 4314330, 5177196, 5752440, 6471495, 8628660, 10354392, 12942990, 17257320, 25885980, 51771960]

約数ペア:

[(1, 51771960), (2, 25885980), (3, 17257320), (4, 12942990), (5, 10354392), (6, 8628660), (8, 6471495), (9, 5752440), (10, 5177196), (12, 4314330), (15, 3451464), (18, 2876220), (19, 2724840), (20, 2588598), (24, 2157165), (27, 1917480), (29, 1785240), (30, 1725732), (36, 1438110), (38, 1362420), (40, 1294299), (45, 1150488), (54, 958740), (57, 908280), (58, 892620), (60, 862866), (72, 719055), (76, 681210), (81, 639160), (87, 595080), (90, 575244), (95, 544968), (108, 479370), (114, 454140), (116, 446310), (120, 431433), (135, 383496), (145, 357048), (152, 340605), (162, 319580), (171, 302760), (174, 297540), (180, 287622), (190, 272484), (216, 239685), (228, 227070), (232, 223155), (261, 198360), (270, 191748), (285, 181656), (290, 178524), (324, 159790), (342, 151380), (348, 148770), (360, 143811), (380, 136242), (405, 127832), (435, 119016), (456, 113535), (513, 100920), (522, 99180), (540, 95874), (551, 93960), (570, 90828), (580, 89262), (648, 79895), (684, 75690), (696, 74385), (760, 68121), (783, 66120), (810, 63916), (841, 61560), (855, 60552), (870, 59508), (1026, 50460), (1044, 49590), (1080, 47937), (1102, 46980), (1140, 45414), (1160, 44631), (1305, 39672), (1368, 37845), (1539, 33640), (1566, 33060), (1620, 31958), (1653, 31320), (1682, 30780), (1710, 30276), (1740, 29754), (2052, 25230), (2088, 24795), (2204, 23490), (2280, 22707), (2349, 22040), (2523, 20520), (2565, 20184), (2610, 19836), (2755, 18792), (3078, 16820), (3132, 16530), (3240, 15979), (3306, 15660), (3364, 15390), (3420, 15138), (3480, 14877), (3915, 13224), (4104, 12615), (4205, 12312), (4408, 11745), (4698, 11020), (4959, 10440), (5046, 10260), (5130, 10092), (5220, 9918), (5510, 9396), (6156, 8410), (6264, 8265), (6612, 7830), (6728, 7695), (6840, 7569)]