215745120

素因数分解:

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

素因数の和:240

約数の個数: 288

約数和(自身を含む): 792529920

約数和(自身を除く): 576784800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 179, 180, 186, 216, 240, 243, 248, 270, 279, 288, 310, 324, 358, 360, 372, 405, 432, 465, 480, 486, 496, 537, 540, 558, 620, 648, 716, 720, 744, 810, 837, 864, 895, 930, 972, 992, 1074, 1080, 1116, 1215, 1240, 1296, 1395, 1432, 1440, 1488, 1611, 1620, 1674, 1790, 1860, 1944, 2148, 2160, 2232, 2430, 2480, 2511, 2592, 2685, 2790, 2864, 2976, 3222, 3240, 3348, 3580, 3720, 3888, 4185, 4296, 4320, 4464, 4833, 4860, 4960, 5022, 5370, 5549, 5580, 5728, 6444, 6480, 6696, 7160, 7440, 7533, 7776, 8055, 8370, 8592, 8928, 9666, 9720, 10044, 10740, 11098, 11160, 12555, 12888, 12960, 13392, 14320, 14499, 14880, 15066, 16110, 16647, 16740, 17184, 19332, 19440, 20088, 21480, 22196, 22320, 24165, 25110, 25776, 26784, 27745, 28640, 28998, 30132, 32220, 33294, 33480, 37665, 38664, 38880, 40176, 42960, 43497, 44392, 44640, 48330, 49941, 50220, 51552, 55490, 57996, 60264, 64440, 66588, 66960, 72495, 75330, 77328, 80352, 83235, 85920, 86994, 88784, 96660, 99882, 100440, 110980, 115992, 120528, 128880, 133176, 133920, 144990, 149823, 150660, 154656, 166470, 173988, 177568, 193320, 199764, 200880, 217485, 221960, 231984, 241056, 249705, 257760, 266352, 289980, 299646, 301320, 332940, 347976, 386640, 399528, 401760, 434970, 443920, 449469, 463968, 499410, 532704, 579960, 599292, 602640, 665880, 695952, 749115, 773280, 799056, 869940, 887840, 898938, 998820, 1159920, 1198584, 1205280, 1331760, 1348407, 1391904, 1498230, 1598112, 1739880, 1797876, 1997640, 2247345, 2319840, 2397168, 2663520, 2696814, 2996460, 3479760, 3595752, 3995280, 4494690, 4794336, 5393628, 5992920, 6742035, 6959520, 7191504, 7990560, 8989380, 10787256, 11985840, 13484070, 14383008, 17978760, 21574512, 23971680, 26968140, 35957520, 43149024, 53936280, 71915040, 107872560, 215745120]

約数ペア:

[(1, 215745120), (2, 107872560), (3, 71915040), (4, 53936280), (5, 43149024), (6, 35957520), (8, 26968140), (9, 23971680), (10, 21574512), (12, 17978760), (15, 14383008), (16, 13484070), (18, 11985840), (20, 10787256), (24, 8989380), (27, 7990560), (30, 7191504), (31, 6959520), (32, 6742035), (36, 5992920), (40, 5393628), (45, 4794336), (48, 4494690), (54, 3995280), (60, 3595752), (62, 3479760), (72, 2996460), (80, 2696814), (81, 2663520), (90, 2397168), (93, 2319840), (96, 2247345), (108, 1997640), (120, 1797876), (124, 1739880), (135, 1598112), (144, 1498230), (155, 1391904), (160, 1348407), (162, 1331760), (179, 1205280), (180, 1198584), (186, 1159920), (216, 998820), (240, 898938), (243, 887840), (248, 869940), (270, 799056), (279, 773280), (288, 749115), (310, 695952), (324, 665880), (358, 602640), (360, 599292), (372, 579960), (405, 532704), (432, 499410), (465, 463968), (480, 449469), (486, 443920), (496, 434970), (537, 401760), (540, 399528), (558, 386640), (620, 347976), (648, 332940), (716, 301320), (720, 299646), (744, 289980), (810, 266352), (837, 257760), (864, 249705), (895, 241056), (930, 231984), (972, 221960), (992, 217485), (1074, 200880), (1080, 199764), (1116, 193320), (1215, 177568), (1240, 173988), (1296, 166470), (1395, 154656), (1432, 150660), (1440, 149823), (1488, 144990), (1611, 133920), (1620, 133176), (1674, 128880), (1790, 120528), (1860, 115992), (1944, 110980), (2148, 100440), (2160, 99882), (2232, 96660), (2430, 88784), (2480, 86994), (2511, 85920), (2592, 83235), (2685, 80352), (2790, 77328), (2864, 75330), (2976, 72495), (3222, 66960), (3240, 66588), (3348, 64440), (3580, 60264), (3720, 57996), (3888, 55490), (4185, 51552), (4296, 50220), (4320, 49941), (4464, 48330), (4833, 44640), (4860, 44392), (4960, 43497), (5022, 42960), (5370, 40176), (5549, 38880), (5580, 38664), (5728, 37665), (6444, 33480), (6480, 33294), (6696, 32220), (7160, 30132), (7440, 28998), (7533, 28640), (7776, 27745), (8055, 26784), (8370, 25776), (8592, 25110), (8928, 24165), (9666, 22320), (9720, 22196), (10044, 21480), (10740, 20088), (11098, 19440), (11160, 19332), (12555, 17184), (12888, 16740), (12960, 16647), (13392, 16110), (14320, 15066), (14499, 14880)]