247707360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:262

約数の個数: 216

約数和(自身を含む): 878328360

約数和(自身を除く): 630621000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 179, 180, 186, 240, 248, 279, 288, 310, 358, 360, 372, 465, 480, 496, 537, 558, 620, 716, 720, 744, 895, 930, 961, 992, 1074, 1116, 1240, 1395, 1432, 1440, 1488, 1611, 1790, 1860, 1922, 2148, 2232, 2480, 2685, 2790, 2864, 2883, 2976, 3222, 3580, 3720, 3844, 4296, 4464, 4805, 4960, 5370, 5549, 5580, 5728, 5766, 6444, 7160, 7440, 7688, 8055, 8592, 8649, 8928, 9610, 10740, 11098, 11160, 11532, 12888, 14320, 14415, 14880, 15376, 16110, 16647, 17184, 17298, 19220, 21480, 22196, 22320, 23064, 25776, 27745, 28640, 28830, 30752, 32220, 33294, 34596, 38440, 42960, 43245, 44392, 44640, 46128, 49941, 51552, 55490, 57660, 64440, 66588, 69192, 76880, 83235, 85920, 86490, 88784, 92256, 99882, 110980, 115320, 128880, 133176, 138384, 153760, 166470, 172019, 172980, 177568, 199764, 221960, 230640, 249705, 257760, 266352, 276768, 332940, 344038, 345960, 399528, 443920, 461280, 499410, 516057, 532704, 665880, 688076, 691920, 799056, 860095, 887840, 998820, 1032114, 1331760, 1376152, 1383840, 1548171, 1598112, 1720190, 1997640, 2064228, 2580285, 2663520, 2752304, 3096342, 3440380, 3995280, 4128456, 5160570, 5504608, 6192684, 6880760, 7740855, 7990560, 8256912, 10321140, 12385368, 13761520, 15481710, 16513824, 20642280, 24770736, 27523040, 30963420, 41284560, 49541472, 61926840, 82569120, 123853680, 247707360]

約数ペア:

[(1, 247707360), (2, 123853680), (3, 82569120), (4, 61926840), (5, 49541472), (6, 41284560), (8, 30963420), (9, 27523040), (10, 24770736), (12, 20642280), (15, 16513824), (16, 15481710), (18, 13761520), (20, 12385368), (24, 10321140), (30, 8256912), (31, 7990560), (32, 7740855), (36, 6880760), (40, 6192684), (45, 5504608), (48, 5160570), (60, 4128456), (62, 3995280), (72, 3440380), (80, 3096342), (90, 2752304), (93, 2663520), (96, 2580285), (120, 2064228), (124, 1997640), (144, 1720190), (155, 1598112), (160, 1548171), (179, 1383840), (180, 1376152), (186, 1331760), (240, 1032114), (248, 998820), (279, 887840), (288, 860095), (310, 799056), (358, 691920), (360, 688076), (372, 665880), (465, 532704), (480, 516057), (496, 499410), (537, 461280), (558, 443920), (620, 399528), (716, 345960), (720, 344038), (744, 332940), (895, 276768), (930, 266352), (961, 257760), (992, 249705), (1074, 230640), (1116, 221960), (1240, 199764), (1395, 177568), (1432, 172980), (1440, 172019), (1488, 166470), (1611, 153760), (1790, 138384), (1860, 133176), (1922, 128880), (2148, 115320), (2232, 110980), (2480, 99882), (2685, 92256), (2790, 88784), (2864, 86490), (2883, 85920), (2976, 83235), (3222, 76880), (3580, 69192), (3720, 66588), (3844, 64440), (4296, 57660), (4464, 55490), (4805, 51552), (4960, 49941), (5370, 46128), (5549, 44640), (5580, 44392), (5728, 43245), (5766, 42960), (6444, 38440), (7160, 34596), (7440, 33294), (7688, 32220), (8055, 30752), (8592, 28830), (8649, 28640), (8928, 27745), (9610, 25776), (10740, 23064), (11098, 22320), (11160, 22196), (11532, 21480), (12888, 19220), (14320, 17298), (14415, 17184), (14880, 16647), (15376, 16110)]