261639840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7079}}^1$

素因数の和:7115

約数の個数: 192

約数和(自身を含む): 1027676160

約数和(自身を除く): 766036320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1155, 1232, 1320, 1540, 1680, 1760, 1848, 2310, 2464, 2640, 3080, 3360, 3696, 4620, 5280, 6160, 7079, 7392, 9240, 12320, 14158, 18480, 21237, 28316, 35395, 36960, 42474, 49553, 56632, 70790, 77869, 84948, 99106, 106185, 113264, 141580, 148659, 155738, 169896, 198212, 212370, 226528, 233607, 247765, 283160, 297318, 311476, 339792, 389345, 396424, 424740, 467214, 495530, 545083, 566320, 594636, 622952, 679584, 743295, 778690, 792848, 849480, 934428, 991060, 1090166, 1132640, 1168035, 1189272, 1245904, 1486590, 1557380, 1585696, 1635249, 1698960, 1868856, 1982120, 2180332, 2336070, 2378544, 2491808, 2725415, 2973180, 3114760, 3270498, 3397920, 3737712, 3964240, 4360664, 4672140, 4757088, 5450830, 5946360, 6229520, 6540996, 7475424, 7928480, 8176245, 8721328, 9344280, 10901660, 11892720, 12459040, 13081992, 16352490, 17442656, 18688560, 21803320, 23785440, 26163984, 32704980, 37377120, 43606640, 52327968, 65409960, 87213280, 130819920, 261639840]

約数ペア:

[(1, 261639840), (2, 130819920), (3, 87213280), (4, 65409960), (5, 52327968), (6, 43606640), (7, 37377120), (8, 32704980), (10, 26163984), (11, 23785440), (12, 21803320), (14, 18688560), (15, 17442656), (16, 16352490), (20, 13081992), (21, 12459040), (22, 11892720), (24, 10901660), (28, 9344280), (30, 8721328), (32, 8176245), (33, 7928480), (35, 7475424), (40, 6540996), (42, 6229520), (44, 5946360), (48, 5450830), (55, 4757088), (56, 4672140), (60, 4360664), (66, 3964240), (70, 3737712), (77, 3397920), (80, 3270498), (84, 3114760), (88, 2973180), (96, 2725415), (105, 2491808), (110, 2378544), (112, 2336070), (120, 2180332), (132, 1982120), (140, 1868856), (154, 1698960), (160, 1635249), (165, 1585696), (168, 1557380), (176, 1486590), (210, 1245904), (220, 1189272), (224, 1168035), (231, 1132640), (240, 1090166), (264, 991060), (280, 934428), (308, 849480), (330, 792848), (336, 778690), (352, 743295), (385, 679584), (420, 622952), (440, 594636), (462, 566320), (480, 545083), (528, 495530), (560, 467214), (616, 424740), (660, 396424), (672, 389345), (770, 339792), (840, 311476), (880, 297318), (924, 283160), (1056, 247765), (1120, 233607), (1155, 226528), (1232, 212370), (1320, 198212), (1540, 169896), (1680, 155738), (1760, 148659), (1848, 141580), (2310, 113264), (2464, 106185), (2640, 99106), (3080, 84948), (3360, 77869), (3696, 70790), (4620, 56632), (5280, 49553), (6160, 42474), (7079, 36960), (7392, 35395), (9240, 28316), (12320, 21237), (14158, 18480)]