28754227840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{3203}}^1$

素因数の和:3331

約数の個数: 192

約数和(自身を含む): 75355388640

約数和(自身を除く): 46601160800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 160, 166, 169, 208, 260, 320, 332, 338, 415, 416, 520, 640, 664, 676, 830, 832, 845, 1040, 1079, 1328, 1352, 1660, 1664, 1690, 2080, 2158, 2656, 2704, 3203, 3320, 3380, 4160, 4316, 5312, 5395, 5408, 6406, 6640, 6760, 8320, 8632, 10624, 10790, 10816, 12812, 13280, 13520, 14027, 16015, 17264, 21580, 21632, 25624, 26560, 27040, 28054, 32030, 34528, 41639, 43160, 51248, 53120, 54080, 56108, 64060, 69056, 70135, 83278, 86320, 102496, 108160, 112216, 128120, 138112, 140270, 166556, 172640, 204992, 208195, 224432, 256240, 265849, 280540, 333112, 345280, 409984, 416390, 448864, 512480, 531698, 541307, 561080, 666224, 690560, 832780, 897728, 1024960, 1063396, 1082614, 1122160, 1329245, 1332448, 1665560, 1795456, 2049920, 2126792, 2165228, 2244320, 2658490, 2664896, 2706535, 3331120, 3456037, 4253584, 4330456, 4488640, 5316980, 5329792, 5413070, 6662240, 6912074, 8507168, 8660912, 8977280, 10633960, 10826140, 13324480, 13824148, 17014336, 17280185, 17321824, 21267920, 21652280, 26648960, 27648296, 34028672, 34560370, 34643648, 42535840, 43304560, 44928481, 55296592, 69120740, 69287296, 85071680, 86609120, 89856962, 110593184, 138241480, 170143360, 173218240, 179713924, 221186368, 224642405, 276482960, 346436480, 359427848, 442372736, 449284810, 552965920, 718855696, 898569620, 1105931840, 1437711392, 1797139240, 2211863680, 2875422784, 3594278480, 5750845568, 7188556960, 14377113920, 28754227840]

約数ペア:

[(1, 28754227840), (2, 14377113920), (4, 7188556960), (5, 5750845568), (8, 3594278480), (10, 2875422784), (13, 2211863680), (16, 1797139240), (20, 1437711392), (26, 1105931840), (32, 898569620), (40, 718855696), (52, 552965920), (64, 449284810), (65, 442372736), (80, 359427848), (83, 346436480), (104, 276482960), (128, 224642405), (130, 221186368), (160, 179713924), (166, 173218240), (169, 170143360), (208, 138241480), (260, 110593184), (320, 89856962), (332, 86609120), (338, 85071680), (415, 69287296), (416, 69120740), (520, 55296592), (640, 44928481), (664, 43304560), (676, 42535840), (830, 34643648), (832, 34560370), (845, 34028672), (1040, 27648296), (1079, 26648960), (1328, 21652280), (1352, 21267920), (1660, 17321824), (1664, 17280185), (1690, 17014336), (2080, 13824148), (2158, 13324480), (2656, 10826140), (2704, 10633960), (3203, 8977280), (3320, 8660912), (3380, 8507168), (4160, 6912074), (4316, 6662240), (5312, 5413070), (5395, 5329792), (5408, 5316980), (6406, 4488640), (6640, 4330456), (6760, 4253584), (8320, 3456037), (8632, 3331120), (10624, 2706535), (10790, 2664896), (10816, 2658490), (12812, 2244320), (13280, 2165228), (13520, 2126792), (14027, 2049920), (16015, 1795456), (17264, 1665560), (21580, 1332448), (21632, 1329245), (25624, 1122160), (26560, 1082614), (27040, 1063396), (28054, 1024960), (32030, 897728), (34528, 832780), (41639, 690560), (43160, 666224), (51248, 561080), (53120, 541307), (54080, 531698), (56108, 512480), (64060, 448864), (69056, 416390), (70135, 409984), (83278, 345280), (86320, 333112), (102496, 280540), (108160, 265849), (112216, 256240), (128120, 224432), (138112, 208195), (140270, 204992), (166556, 172640)]