261700140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 830914560

約数和(自身を除く): 569214420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 79, 93, 124, 130, 137, 155, 156, 158, 186, 195, 237, 260, 274, 310, 316, 372, 390, 395, 403, 411, 465, 474, 548, 620, 685, 780, 790, 806, 822, 930, 948, 1027, 1185, 1209, 1370, 1580, 1612, 1644, 1781, 1860, 2015, 2054, 2055, 2370, 2418, 2449, 2740, 3081, 3562, 4030, 4108, 4110, 4247, 4740, 4836, 4898, 5135, 5343, 6045, 6162, 7124, 7347, 8060, 8220, 8494, 8905, 9796, 10270, 10686, 10823, 12090, 12245, 12324, 12741, 14694, 15405, 16988, 17810, 20540, 21235, 21372, 21646, 24180, 24490, 25482, 26715, 29388, 30810, 31837, 32469, 35620, 36735, 42470, 43292, 48980, 50964, 53430, 54115, 55211, 61620, 63674, 63705, 64938, 73470, 84940, 95511, 106860, 108230, 110422, 127348, 127410, 129876, 140699, 146940, 159185, 162345, 165633, 191022, 216460, 220844, 254820, 276055, 281398, 318370, 324690, 331266, 335513, 382044, 422097, 477555, 552110, 562796, 636740, 649380, 662532, 671026, 703495, 828165, 844194, 955110, 1006539, 1104220, 1342052, 1406990, 1656330, 1677565, 1688388, 1910220, 2013078, 2110485, 2813980, 3312660, 3355130, 4026156, 4220970, 4361669, 5032695, 6710260, 8441940, 8723338, 10065390, 13085007, 17446676, 20130780, 21808345, 26170014, 43616690, 52340028, 65425035, 87233380, 130850070, 261700140]

約数ペア:

[(1, 261700140), (2, 130850070), (3, 87233380), (4, 65425035), (5, 52340028), (6, 43616690), (10, 26170014), (12, 21808345), (13, 20130780), (15, 17446676), (20, 13085007), (26, 10065390), (30, 8723338), (31, 8441940), (39, 6710260), (52, 5032695), (60, 4361669), (62, 4220970), (65, 4026156), (78, 3355130), (79, 3312660), (93, 2813980), (124, 2110485), (130, 2013078), (137, 1910220), (155, 1688388), (156, 1677565), (158, 1656330), (186, 1406990), (195, 1342052), (237, 1104220), (260, 1006539), (274, 955110), (310, 844194), (316, 828165), (372, 703495), (390, 671026), (395, 662532), (403, 649380), (411, 636740), (465, 562796), (474, 552110), (548, 477555), (620, 422097), (685, 382044), (780, 335513), (790, 331266), (806, 324690), (822, 318370), (930, 281398), (948, 276055), (1027, 254820), (1185, 220844), (1209, 216460), (1370, 191022), (1580, 165633), (1612, 162345), (1644, 159185), (1781, 146940), (1860, 140699), (2015, 129876), (2054, 127410), (2055, 127348), (2370, 110422), (2418, 108230), (2449, 106860), (2740, 95511), (3081, 84940), (3562, 73470), (4030, 64938), (4108, 63705), (4110, 63674), (4247, 61620), (4740, 55211), (4836, 54115), (4898, 53430), (5135, 50964), (5343, 48980), (6045, 43292), (6162, 42470), (7124, 36735), (7347, 35620), (8060, 32469), (8220, 31837), (8494, 30810), (8905, 29388), (9796, 26715), (10270, 25482), (10686, 24490), (10823, 24180), (12090, 21646), (12245, 21372), (12324, 21235), (12741, 20540), (14694, 17810), (15405, 16988)]