31202640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 123492096

約数和(自身を除く): 92289456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 105, 112, 120, 123, 126, 140, 144, 151, 164, 168, 180, 205, 210, 240, 246, 252, 280, 287, 302, 315, 328, 336, 360, 369, 410, 420, 453, 492, 504, 560, 574, 604, 615, 630, 656, 720, 738, 755, 820, 840, 861, 906, 984, 1008, 1057, 1148, 1208, 1230, 1260, 1359, 1435, 1476, 1510, 1640, 1680, 1722, 1812, 1845, 1968, 2114, 2265, 2296, 2416, 2460, 2520, 2583, 2718, 2870, 2952, 3020, 3171, 3280, 3444, 3624, 3690, 4228, 4305, 4530, 4592, 4920, 5040, 5166, 5285, 5436, 5740, 5904, 6040, 6191, 6342, 6795, 6888, 7248, 7380, 8456, 8610, 9060, 9513, 9840, 10332, 10570, 10872, 11480, 12080, 12382, 12684, 12915, 13590, 13776, 14760, 15855, 16912, 17220, 18120, 18573, 19026, 20664, 21140, 21744, 22960, 24764, 25368, 25830, 27180, 29520, 30955, 31710, 34440, 36240, 37146, 38052, 41328, 42280, 43337, 47565, 49528, 50736, 51660, 54360, 55719, 61910, 63420, 68880, 74292, 76104, 84560, 86674, 92865, 95130, 99056, 103320, 108720, 111438, 123820, 126840, 130011, 148584, 152208, 173348, 185730, 190260, 206640, 216685, 222876, 247640, 253680, 260022, 278595, 297168, 346696, 371460, 380520, 390033, 433370, 445752, 495280, 520044, 557190, 650055, 693392, 742920, 761040, 780066, 866740, 891504, 1040088, 1114380, 1300110, 1485840, 1560132, 1733480, 1950165, 2080176, 2228760, 2600220, 3120264, 3466960, 3900330, 4457520, 5200440, 6240528, 7800660, 10400880, 15601320, 31202640]

約数ペア:

[(1, 31202640), (2, 15601320), (3, 10400880), (4, 7800660), (5, 6240528), (6, 5200440), (7, 4457520), (8, 3900330), (9, 3466960), (10, 3120264), (12, 2600220), (14, 2228760), (15, 2080176), (16, 1950165), (18, 1733480), (20, 1560132), (21, 1485840), (24, 1300110), (28, 1114380), (30, 1040088), (35, 891504), (36, 866740), (40, 780066), (41, 761040), (42, 742920), (45, 693392), (48, 650055), (56, 557190), (60, 520044), (63, 495280), (70, 445752), (72, 433370), (80, 390033), (82, 380520), (84, 371460), (90, 346696), (105, 297168), (112, 278595), (120, 260022), (123, 253680), (126, 247640), (140, 222876), (144, 216685), (151, 206640), (164, 190260), (168, 185730), (180, 173348), (205, 152208), (210, 148584), (240, 130011), (246, 126840), (252, 123820), (280, 111438), (287, 108720), (302, 103320), (315, 99056), (328, 95130), (336, 92865), (360, 86674), (369, 84560), (410, 76104), (420, 74292), (453, 68880), (492, 63420), (504, 61910), (560, 55719), (574, 54360), (604, 51660), (615, 50736), (630, 49528), (656, 47565), (720, 43337), (738, 42280), (755, 41328), (820, 38052), (840, 37146), (861, 36240), (906, 34440), (984, 31710), (1008, 30955), (1057, 29520), (1148, 27180), (1208, 25830), (1230, 25368), (1260, 24764), (1359, 22960), (1435, 21744), (1476, 21140), (1510, 20664), (1640, 19026), (1680, 18573), (1722, 18120), (1812, 17220), (1845, 16912), (1968, 15855), (2114, 14760), (2265, 13776), (2296, 13590), (2416, 12915), (2460, 12684), (2520, 12382), (2583, 12080), (2718, 11480), (2870, 10872), (2952, 10570), (3020, 10332), (3171, 9840), (3280, 9513), (3444, 9060), (3624, 8610), (3690, 8456), (4228, 7380), (4305, 7248), (4530, 6888), (4592, 6795), (4920, 6342), (5040, 6191), (5166, 6040), (5285, 5904), (5436, 5740)]