27721440

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 288

約数和(自身を含む): 105670656

約数和(自身を除く): 77949216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 31, 32, 36, 40, 45, 46, 48, 54, 60, 62, 69, 72, 80, 81, 90, 92, 93, 96, 108, 115, 120, 124, 135, 138, 144, 155, 160, 162, 180, 184, 186, 207, 216, 230, 240, 243, 248, 270, 276, 279, 288, 310, 324, 345, 360, 368, 372, 405, 414, 432, 460, 465, 480, 486, 496, 540, 552, 558, 620, 621, 648, 690, 713, 720, 736, 744, 810, 828, 837, 864, 920, 930, 972, 992, 1035, 1080, 1104, 1116, 1215, 1240, 1242, 1296, 1380, 1395, 1426, 1440, 1488, 1620, 1656, 1674, 1840, 1860, 1863, 1944, 2070, 2139, 2160, 2208, 2232, 2430, 2480, 2484, 2511, 2592, 2760, 2790, 2852, 2976, 3105, 3240, 3312, 3348, 3565, 3680, 3720, 3726, 3888, 4140, 4185, 4278, 4320, 4464, 4860, 4960, 4968, 5022, 5520, 5580, 5589, 5704, 6210, 6417, 6480, 6624, 6696, 7130, 7440, 7452, 7533, 7776, 8280, 8370, 8556, 8928, 9315, 9720, 9936, 10044, 10695, 11040, 11160, 11178, 11408, 12420, 12555, 12834, 12960, 13392, 14260, 14880, 14904, 15066, 16560, 16740, 17112, 18630, 19251, 19440, 19872, 20088, 21390, 22320, 22356, 22816, 24840, 25110, 25668, 26784, 27945, 28520, 29808, 30132, 32085, 33120, 33480, 34224, 37260, 37665, 38502, 38880, 40176, 42780, 44640, 44712, 49680, 50220, 51336, 55890, 57040, 57753, 59616, 60264, 64170, 66960, 68448, 74520, 75330, 77004, 80352, 85560, 89424, 96255, 99360, 100440, 102672, 111780, 114080, 115506, 120528, 128340, 133920, 149040, 150660, 154008, 171120, 173259, 178848, 192510, 200880, 205344, 223560, 231012, 241056, 256680, 288765, 298080, 301320, 308016, 342240, 346518, 385020, 401760, 447120, 462024, 513360, 577530, 602640, 616032, 693036, 770040, 866295, 894240, 924048, 1026720, 1155060, 1205280, 1386072, 1540080, 1732590, 1848096, 2310120, 2772144, 3080160, 3465180, 4620240, 5544288, 6930360, 9240480, 13860720, 27721440]

約数ペア:

[(1, 27721440), (2, 13860720), (3, 9240480), (4, 6930360), (5, 5544288), (6, 4620240), (8, 3465180), (9, 3080160), (10, 2772144), (12, 2310120), (15, 1848096), (16, 1732590), (18, 1540080), (20, 1386072), (23, 1205280), (24, 1155060), (27, 1026720), (30, 924048), (31, 894240), (32, 866295), (36, 770040), (40, 693036), (45, 616032), (46, 602640), (48, 577530), (54, 513360), (60, 462024), (62, 447120), (69, 401760), (72, 385020), (80, 346518), (81, 342240), (90, 308016), (92, 301320), (93, 298080), (96, 288765), (108, 256680), (115, 241056), (120, 231012), (124, 223560), (135, 205344), (138, 200880), (144, 192510), (155, 178848), (160, 173259), (162, 171120), (180, 154008), (184, 150660), (186, 149040), (207, 133920), (216, 128340), (230, 120528), (240, 115506), (243, 114080), (248, 111780), (270, 102672), (276, 100440), (279, 99360), (288, 96255), (310, 89424), (324, 85560), (345, 80352), (360, 77004), (368, 75330), (372, 74520), (405, 68448), (414, 66960), (432, 64170), (460, 60264), (465, 59616), (480, 57753), (486, 57040), (496, 55890), (540, 51336), (552, 50220), (558, 49680), (620, 44712), (621, 44640), (648, 42780), (690, 40176), (713, 38880), (720, 38502), (736, 37665), (744, 37260), (810, 34224), (828, 33480), (837, 33120), (864, 32085), (920, 30132), (930, 29808), (972, 28520), (992, 27945), (1035, 26784), (1080, 25668), (1104, 25110), (1116, 24840), (1215, 22816), (1240, 22356), (1242, 22320), (1296, 21390), (1380, 20088), (1395, 19872), (1426, 19440), (1440, 19251), (1488, 18630), (1620, 17112), (1656, 16740), (1674, 16560), (1840, 15066), (1860, 14904), (1863, 14880), (1944, 14260), (2070, 13392), (2139, 12960), (2160, 12834), (2208, 12555), (2232, 12420), (2430, 11408), (2480, 11178), (2484, 11160), (2511, 11040), (2592, 10695), (2760, 10044), (2790, 9936), (2852, 9720), (2976, 9315), (3105, 8928), (3240, 8556), (3312, 8370), (3348, 8280), (3565, 7776), (3680, 7533), (3720, 7452), (3726, 7440), (3888, 7130), (4140, 6696), (4185, 6624), (4278, 6480), (4320, 6417), (4464, 6210), (4860, 5704), (4960, 5589), (4968, 5580), (5022, 5520)]