257229720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3821}}^1$

素因数の和:3866

約数の個数: 192

約数和(自身を含む): 965895840

約数和(自身を除く): 708666120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 612, 660, 680, 748, 765, 792, 935, 990, 1020, 1122, 1224, 1320, 1496, 1530, 1683, 1870, 1980, 2040, 2244, 2805, 3060, 3366, 3740, 3821, 3960, 4488, 5610, 6120, 6732, 7480, 7642, 8415, 11220, 11463, 13464, 15284, 16830, 19105, 22440, 22926, 30568, 33660, 34389, 38210, 42031, 45852, 57315, 64957, 67320, 68778, 76420, 84062, 91704, 114630, 126093, 129914, 137556, 152840, 168124, 171945, 194871, 210155, 229260, 252186, 259828, 275112, 324785, 336248, 343890, 378279, 389742, 420310, 458520, 504372, 519656, 584613, 630465, 649570, 687780, 714527, 756558, 779484, 840620, 974355, 1008744, 1169226, 1260930, 1299140, 1375560, 1429054, 1513116, 1558968, 1681240, 1891395, 1948710, 2143581, 2338452, 2521860, 2598280, 2858108, 2923065, 3026232, 3572635, 3782790, 3897420, 4287162, 4676904, 5043720, 5716216, 5846130, 6430743, 7145270, 7565580, 7794840, 8574324, 10717905, 11692260, 12861486, 14290540, 15131160, 17148648, 21435810, 23384520, 25722972, 28581080, 32153715, 42871620, 51445944, 64307430, 85743240, 128614860, 257229720]

約数ペア:

[(1, 257229720), (2, 128614860), (3, 85743240), (4, 64307430), (5, 51445944), (6, 42871620), (8, 32153715), (9, 28581080), (10, 25722972), (11, 23384520), (12, 21435810), (15, 17148648), (17, 15131160), (18, 14290540), (20, 12861486), (22, 11692260), (24, 10717905), (30, 8574324), (33, 7794840), (34, 7565580), (36, 7145270), (40, 6430743), (44, 5846130), (45, 5716216), (51, 5043720), (55, 4676904), (60, 4287162), (66, 3897420), (68, 3782790), (72, 3572635), (85, 3026232), (88, 2923065), (90, 2858108), (99, 2598280), (102, 2521860), (110, 2338452), (120, 2143581), (132, 1948710), (136, 1891395), (153, 1681240), (165, 1558968), (170, 1513116), (180, 1429054), (187, 1375560), (198, 1299140), (204, 1260930), (220, 1169226), (255, 1008744), (264, 974355), (306, 840620), (330, 779484), (340, 756558), (360, 714527), (374, 687780), (396, 649570), (408, 630465), (440, 584613), (495, 519656), (510, 504372), (561, 458520), (612, 420310), (660, 389742), (680, 378279), (748, 343890), (765, 336248), (792, 324785), (935, 275112), (990, 259828), (1020, 252186), (1122, 229260), (1224, 210155), (1320, 194871), (1496, 171945), (1530, 168124), (1683, 152840), (1870, 137556), (1980, 129914), (2040, 126093), (2244, 114630), (2805, 91704), (3060, 84062), (3366, 76420), (3740, 68778), (3821, 67320), (3960, 64957), (4488, 57315), (5610, 45852), (6120, 42031), (6732, 38210), (7480, 34389), (7642, 33660), (8415, 30568), (11220, 22926), (11463, 22440), (13464, 19105), (15284, 16830)]