254481480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 256

約数和(自身を含む): 956620800

約数和(自身を除く): 702139320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 31, 33, 36, 40, 44, 45, 54, 55, 60, 62, 66, 72, 88, 90, 93, 99, 108, 110, 120, 124, 132, 135, 155, 165, 180, 186, 198, 216, 220, 248, 264, 270, 279, 297, 310, 330, 341, 360, 372, 396, 440, 465, 495, 540, 558, 594, 620, 660, 682, 691, 744, 792, 837, 930, 990, 1023, 1080, 1116, 1188, 1240, 1320, 1364, 1382, 1395, 1485, 1674, 1705, 1860, 1980, 2046, 2073, 2232, 2376, 2728, 2764, 2790, 2970, 3069, 3348, 3410, 3455, 3720, 3960, 4092, 4146, 4185, 5115, 5528, 5580, 5940, 6138, 6219, 6696, 6820, 6910, 7601, 8184, 8292, 8370, 9207, 10230, 10365, 11160, 11880, 12276, 12438, 13640, 13820, 15202, 15345, 16584, 16740, 18414, 18657, 20460, 20730, 21421, 22803, 24552, 24876, 27640, 30404, 30690, 31095, 33480, 36828, 37314, 38005, 40920, 41460, 42842, 45606, 46035, 49752, 60808, 61380, 62190, 64263, 68409, 73656, 74628, 76010, 82920, 85684, 91212, 92070, 93285, 107105, 114015, 122760, 124380, 128526, 136818, 149256, 152020, 171368, 182424, 184140, 186570, 192789, 205227, 214210, 228030, 235631, 248760, 257052, 273636, 304040, 321315, 342045, 368280, 373140, 385578, 410454, 428420, 456060, 471262, 514104, 547272, 578367, 642630, 684090, 706893, 746280, 771156, 820908, 856840, 912120, 942524, 963945, 1026135, 1156734, 1178155, 1285260, 1368180, 1413786, 1542312, 1641816, 1885048, 1927890, 2052270, 2120679, 2313468, 2356310, 2570520, 2736360, 2827572, 2891835, 3534465, 3855780, 4104540, 4241358, 4626936, 4712620, 5655144, 5783670, 6362037, 7068930, 7711560, 8209080, 8482716, 9425240, 10603395, 11567340, 12724074, 14137860, 16965432, 21206790, 23134680, 25448148, 28275720, 31810185, 42413580, 50896296, 63620370, 84827160, 127240740, 254481480]

約数ペア:

[(1, 254481480), (2, 127240740), (3, 84827160), (4, 63620370), (5, 50896296), (6, 42413580), (8, 31810185), (9, 28275720), (10, 25448148), (11, 23134680), (12, 21206790), (15, 16965432), (18, 14137860), (20, 12724074), (22, 11567340), (24, 10603395), (27, 9425240), (30, 8482716), (31, 8209080), (33, 7711560), (36, 7068930), (40, 6362037), (44, 5783670), (45, 5655144), (54, 4712620), (55, 4626936), (60, 4241358), (62, 4104540), (66, 3855780), (72, 3534465), (88, 2891835), (90, 2827572), (93, 2736360), (99, 2570520), (108, 2356310), (110, 2313468), (120, 2120679), (124, 2052270), (132, 1927890), (135, 1885048), (155, 1641816), (165, 1542312), (180, 1413786), (186, 1368180), (198, 1285260), (216, 1178155), (220, 1156734), (248, 1026135), (264, 963945), (270, 942524), (279, 912120), (297, 856840), (310, 820908), (330, 771156), (341, 746280), (360, 706893), (372, 684090), (396, 642630), (440, 578367), (465, 547272), (495, 514104), (540, 471262), (558, 456060), (594, 428420), (620, 410454), (660, 385578), (682, 373140), (691, 368280), (744, 342045), (792, 321315), (837, 304040), (930, 273636), (990, 257052), (1023, 248760), (1080, 235631), (1116, 228030), (1188, 214210), (1240, 205227), (1320, 192789), (1364, 186570), (1382, 184140), (1395, 182424), (1485, 171368), (1674, 152020), (1705, 149256), (1860, 136818), (1980, 128526), (2046, 124380), (2073, 122760), (2232, 114015), (2376, 107105), (2728, 93285), (2764, 92070), (2790, 91212), (2970, 85684), (3069, 82920), (3348, 76010), (3410, 74628), (3455, 73656), (3720, 68409), (3960, 64263), (4092, 62190), (4146, 61380), (4185, 60808), (5115, 49752), (5528, 46035), (5580, 45606), (5940, 42842), (6138, 41460), (6219, 40920), (6696, 38005), (6820, 37314), (6910, 36828), (7601, 33480), (8184, 31095), (8292, 30690), (8370, 30404), (9207, 27640), (10230, 24876), (10365, 24552), (11160, 22803), (11880, 21421), (12276, 20730), (12438, 20460), (13640, 18657), (13820, 18414), (15202, 16740), (15345, 16584)]