261950640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3803}}^1$

素因数の和:3867

約数の個数: 160

約数和(自身を含む): 950939136

約数和(自身を除く): 688988496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 574, 615, 656, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3444, 3803, 4305, 4592, 4920, 5740, 6888, 7606, 8610, 9840, 11409, 11480, 13776, 15212, 17220, 19015, 22818, 22960, 26621, 30424, 34440, 38030, 45636, 53242, 57045, 60848, 68880, 76060, 79863, 91272, 106484, 114090, 133105, 152120, 155923, 159726, 182544, 212968, 228180, 266210, 304240, 311846, 319452, 399315, 425936, 456360, 467769, 532420, 623692, 638904, 779615, 798630, 912720, 935538, 1064840, 1091461, 1247384, 1277808, 1559230, 1597260, 1871076, 2129680, 2182922, 2338845, 2494768, 3118460, 3194520, 3274383, 3742152, 4365844, 4677690, 5457305, 6236920, 6389040, 6548766, 7484304, 8731688, 9355380, 10914610, 12473840, 13097532, 16371915, 17463376, 18710760, 21829220, 26195064, 32743830, 37421520, 43658440, 52390128, 65487660, 87316880, 130975320, 261950640]

約数ペア:

[(1, 261950640), (2, 130975320), (3, 87316880), (4, 65487660), (5, 52390128), (6, 43658440), (7, 37421520), (8, 32743830), (10, 26195064), (12, 21829220), (14, 18710760), (15, 17463376), (16, 16371915), (20, 13097532), (21, 12473840), (24, 10914610), (28, 9355380), (30, 8731688), (35, 7484304), (40, 6548766), (41, 6389040), (42, 6236920), (48, 5457305), (56, 4677690), (60, 4365844), (70, 3742152), (80, 3274383), (82, 3194520), (84, 3118460), (105, 2494768), (112, 2338845), (120, 2182922), (123, 2129680), (140, 1871076), (164, 1597260), (168, 1559230), (205, 1277808), (210, 1247384), (240, 1091461), (246, 1064840), (280, 935538), (287, 912720), (328, 798630), (336, 779615), (410, 638904), (420, 623692), (492, 532420), (560, 467769), (574, 456360), (615, 425936), (656, 399315), (820, 319452), (840, 311846), (861, 304240), (984, 266210), (1148, 228180), (1230, 212968), (1435, 182544), (1640, 159726), (1680, 155923), (1722, 152120), (1968, 133105), (2296, 114090), (2460, 106484), (2870, 91272), (3280, 79863), (3444, 76060), (3803, 68880), (4305, 60848), (4592, 57045), (4920, 53242), (5740, 45636), (6888, 38030), (7606, 34440), (8610, 30424), (9840, 26621), (11409, 22960), (11480, 22818), (13776, 19015), (15212, 17220)]