215701920

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{1019}}^1$

素因数の和:1057

約数の個数: 288

約数和(自身を含む): 879076800

約数和(自身を除く): 663374880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1019, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2038, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3057, 3360, 3528, 3780, 3920, 4076, 4320, 4410, 4704, 5040, 5095, 5292, 5880, 6048, 6114, 6615, 7056, 7133, 7560, 7840, 8152, 8820, 9171, 10080, 10190, 10584, 11760, 12228, 13230, 14112, 14266, 15120, 15285, 16304, 17640, 18342, 20380, 21168, 21399, 23520, 24456, 26460, 27513, 28532, 30240, 30570, 32608, 35280, 35665, 36684, 40760, 42336, 42798, 45855, 48912, 49931, 52920, 55026, 57064, 61140, 64197, 70560, 71330, 73368, 81520, 85596, 91710, 97824, 99862, 105840, 106995, 110052, 114128, 122280, 128394, 137565, 142660, 146736, 149793, 163040, 171192, 183420, 192591, 199724, 211680, 213990, 220104, 228256, 244560, 249655, 256788, 275130, 285320, 293472, 299586, 320985, 342384, 366840, 385182, 399448, 427980, 440208, 449379, 489120, 499310, 513576, 550260, 570640, 599172, 641970, 684768, 733680, 748965, 770364, 798896, 855960, 880416, 898758, 962955, 998620, 1027152, 1100520, 1141280, 1198344, 1283940, 1348137, 1467360, 1497930, 1540728, 1597792, 1711920, 1797516, 1925910, 1997240, 2054304, 2201040, 2246895, 2396688, 2567880, 2696274, 2995860, 3081456, 3423840, 3595032, 3851820, 3994480, 4402080, 4493790, 4793376, 5135760, 5392548, 5991720, 6162912, 6740685, 7190064, 7703640, 7988960, 8987580, 10271520, 10785096, 11983440, 13481370, 14380128, 15407280, 17975160, 21570192, 23966880, 26962740, 30814560, 35950320, 43140384, 53925480, 71900640, 107850960, 215701920]

約数ペア:

[(1, 215701920), (2, 107850960), (3, 71900640), (4, 53925480), (5, 43140384), (6, 35950320), (7, 30814560), (8, 26962740), (9, 23966880), (10, 21570192), (12, 17975160), (14, 15407280), (15, 14380128), (16, 13481370), (18, 11983440), (20, 10785096), (21, 10271520), (24, 8987580), (27, 7988960), (28, 7703640), (30, 7190064), (32, 6740685), (35, 6162912), (36, 5991720), (40, 5392548), (42, 5135760), (45, 4793376), (48, 4493790), (49, 4402080), (54, 3994480), (56, 3851820), (60, 3595032), (63, 3423840), (70, 3081456), (72, 2995860), (80, 2696274), (84, 2567880), (90, 2396688), (96, 2246895), (98, 2201040), (105, 2054304), (108, 1997240), (112, 1925910), (120, 1797516), (126, 1711920), (135, 1597792), (140, 1540728), (144, 1497930), (147, 1467360), (160, 1348137), (168, 1283940), (180, 1198344), (189, 1141280), (196, 1100520), (210, 1027152), (216, 998620), (224, 962955), (240, 898758), (245, 880416), (252, 855960), (270, 798896), (280, 770364), (288, 748965), (294, 733680), (315, 684768), (336, 641970), (360, 599172), (378, 570640), (392, 550260), (420, 513576), (432, 499310), (441, 489120), (480, 449379), (490, 440208), (504, 427980), (540, 399448), (560, 385182), (588, 366840), (630, 342384), (672, 320985), (720, 299586), (735, 293472), (756, 285320), (784, 275130), (840, 256788), (864, 249655), (882, 244560), (945, 228256), (980, 220104), (1008, 213990), (1019, 211680), (1080, 199724), (1120, 192591), (1176, 183420), (1260, 171192), (1323, 163040), (1440, 149793), (1470, 146736), (1512, 142660), (1568, 137565), (1680, 128394), (1764, 122280), (1890, 114128), (1960, 110052), (2016, 106995), (2038, 105840), (2160, 99862), (2205, 97824), (2352, 91710), (2520, 85596), (2646, 81520), (2940, 73368), (3024, 71330), (3057, 70560), (3360, 64197), (3528, 61140), (3780, 57064), (3920, 55026), (4076, 52920), (4320, 49931), (4410, 48912), (4704, 45855), (5040, 42798), (5095, 42336), (5292, 40760), (5880, 36684), (6048, 35665), (6114, 35280), (6615, 32608), (7056, 30570), (7133, 30240), (7560, 28532), (7840, 27513), (8152, 26460), (8820, 24456), (9171, 23520), (10080, 21399), (10190, 21168), (10584, 20380), (11760, 18342), (12228, 17640), (13230, 16304), (14112, 15285), (14266, 15120)]