138808080

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 200

約数和(自身を含む): 498372864

約数和(自身を除く): 359564784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 496, 540, 558, 620, 648, 691, 720, 744, 810, 837, 930, 1080, 1116, 1240, 1296, 1382, 1395, 1488, 1620, 1674, 1860, 2073, 2160, 2232, 2480, 2511, 2764, 2790, 3240, 3348, 3455, 3720, 4146, 4185, 4464, 5022, 5528, 5580, 6219, 6480, 6696, 6910, 7440, 8292, 8370, 10044, 10365, 11056, 11160, 12438, 12555, 13392, 13820, 16584, 16740, 18657, 20088, 20730, 21421, 22320, 24876, 25110, 27640, 31095, 33168, 33480, 37314, 40176, 41460, 42842, 49752, 50220, 55280, 55971, 62190, 64263, 66960, 74628, 82920, 85684, 93285, 99504, 100440, 107105, 111942, 124380, 128526, 149256, 165840, 171368, 186570, 192789, 200880, 214210, 223884, 248760, 257052, 279855, 298512, 321315, 342736, 373140, 385578, 428420, 447768, 497520, 514104, 559710, 578367, 642630, 746280, 771156, 856840, 895536, 963945, 1028208, 1119420, 1156734, 1285260, 1492560, 1542312, 1713680, 1735101, 1927890, 2238840, 2313468, 2570520, 2891835, 3084624, 3470202, 3855780, 4477680, 4626936, 5141040, 5783670, 6940404, 7711560, 8675505, 9253872, 11567340, 13880808, 15423120, 17351010, 23134680, 27761616, 34702020, 46269360, 69404040, 138808080]

約数ペア:

[(1, 138808080), (2, 69404040), (3, 46269360), (4, 34702020), (5, 27761616), (6, 23134680), (8, 17351010), (9, 15423120), (10, 13880808), (12, 11567340), (15, 9253872), (16, 8675505), (18, 7711560), (20, 6940404), (24, 5783670), (27, 5141040), (30, 4626936), (31, 4477680), (36, 3855780), (40, 3470202), (45, 3084624), (48, 2891835), (54, 2570520), (60, 2313468), (62, 2238840), (72, 1927890), (80, 1735101), (81, 1713680), (90, 1542312), (93, 1492560), (108, 1285260), (120, 1156734), (124, 1119420), (135, 1028208), (144, 963945), (155, 895536), (162, 856840), (180, 771156), (186, 746280), (216, 642630), (240, 578367), (248, 559710), (270, 514104), (279, 497520), (310, 447768), (324, 428420), (360, 385578), (372, 373140), (405, 342736), (432, 321315), (465, 298512), (496, 279855), (540, 257052), (558, 248760), (620, 223884), (648, 214210), (691, 200880), (720, 192789), (744, 186570), (810, 171368), (837, 165840), (930, 149256), (1080, 128526), (1116, 124380), (1240, 111942), (1296, 107105), (1382, 100440), (1395, 99504), (1488, 93285), (1620, 85684), (1674, 82920), (1860, 74628), (2073, 66960), (2160, 64263), (2232, 62190), (2480, 55971), (2511, 55280), (2764, 50220), (2790, 49752), (3240, 42842), (3348, 41460), (3455, 40176), (3720, 37314), (4146, 33480), (4185, 33168), (4464, 31095), (5022, 27640), (5528, 25110), (5580, 24876), (6219, 22320), (6480, 21421), (6696, 20730), (6910, 20088), (7440, 18657), (8292, 16740), (8370, 16584), (10044, 13820), (10365, 13392), (11056, 12555), (11160, 12438)]