81541440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1277

約数の個数: 168

約数和(自身を含む): 292900608

約数和(自身を除く): 211359168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 414, 460, 480, 552, 576, 690, 720, 736, 828, 920, 960, 1035, 1104, 1231, 1380, 1440, 1472, 1656, 1840, 2070, 2208, 2462, 2760, 2880, 3312, 3680, 3693, 4140, 4416, 4924, 5520, 6155, 6624, 7360, 7386, 8280, 9848, 11040, 11079, 12310, 13248, 14772, 16560, 18465, 19696, 22080, 22158, 24620, 28313, 29544, 33120, 36930, 39392, 44316, 49240, 55395, 56626, 59088, 66240, 73860, 78784, 84939, 88632, 98480, 110790, 113252, 118176, 141565, 147720, 169878, 177264, 196960, 221580, 226504, 236352, 254817, 283130, 295440, 339756, 354528, 393920, 424695, 443160, 453008, 509634, 566260, 590880, 679512, 709056, 849390, 886320, 906016, 1019268, 1132520, 1181760, 1274085, 1359024, 1698780, 1772640, 1812032, 2038536, 2265040, 2548170, 2718048, 3397560, 3545280, 4077072, 4530080, 5096340, 5436096, 6795120, 8154144, 9060160, 10192680, 13590240, 16308288, 20385360, 27180480, 40770720, 81541440]

約数ペア:

[(1, 81541440), (2, 40770720), (3, 27180480), (4, 20385360), (5, 16308288), (6, 13590240), (8, 10192680), (9, 9060160), (10, 8154144), (12, 6795120), (15, 5436096), (16, 5096340), (18, 4530080), (20, 4077072), (23, 3545280), (24, 3397560), (30, 2718048), (32, 2548170), (36, 2265040), (40, 2038536), (45, 1812032), (46, 1772640), (48, 1698780), (60, 1359024), (64, 1274085), (69, 1181760), (72, 1132520), (80, 1019268), (90, 906016), (92, 886320), (96, 849390), (115, 709056), (120, 679512), (138, 590880), (144, 566260), (160, 509634), (180, 453008), (184, 443160), (192, 424695), (207, 393920), (230, 354528), (240, 339756), (276, 295440), (288, 283130), (320, 254817), (345, 236352), (360, 226504), (368, 221580), (414, 196960), (460, 177264), (480, 169878), (552, 147720), (576, 141565), (690, 118176), (720, 113252), (736, 110790), (828, 98480), (920, 88632), (960, 84939), (1035, 78784), (1104, 73860), (1231, 66240), (1380, 59088), (1440, 56626), (1472, 55395), (1656, 49240), (1840, 44316), (2070, 39392), (2208, 36930), (2462, 33120), (2760, 29544), (2880, 28313), (3312, 24620), (3680, 22158), (3693, 22080), (4140, 19696), (4416, 18465), (4924, 16560), (5520, 14772), (6155, 13248), (6624, 12310), (7360, 11079), (7386, 11040), (8280, 9848)]