165451520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 436451232

約数和(自身を除く): 270999712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 163, 208, 244, 256, 260, 305, 320, 326, 416, 488, 520, 610, 640, 652, 793, 815, 832, 976, 1040, 1220, 1280, 1304, 1586, 1630, 1664, 1952, 2080, 2119, 2440, 2608, 3172, 3260, 3328, 3904, 3965, 4160, 4238, 4880, 5216, 6344, 6520, 7808, 7930, 8320, 8476, 9760, 9943, 10432, 10595, 12688, 13040, 15616, 15860, 16640, 16952, 19520, 19886, 20864, 21190, 25376, 26080, 31720, 33904, 39040, 39772, 41728, 42380, 49715, 50752, 52160, 63440, 67808, 78080, 79544, 84760, 99430, 101504, 104320, 126880, 129259, 135616, 159088, 169520, 198860, 203008, 208640, 253760, 258518, 271232, 318176, 339040, 397720, 507520, 517036, 542464, 636352, 646295, 678080, 795440, 1015040, 1034072, 1272704, 1292590, 1356160, 1590880, 2068144, 2545408, 2585180, 2712320, 3181760, 4136288, 5170360, 6363520, 8272576, 10340720, 12727040, 16545152, 20681440, 33090304, 41362880, 82725760, 165451520]

約数ペア:

[(1, 165451520), (2, 82725760), (4, 41362880), (5, 33090304), (8, 20681440), (10, 16545152), (13, 12727040), (16, 10340720), (20, 8272576), (26, 6363520), (32, 5170360), (40, 4136288), (52, 3181760), (61, 2712320), (64, 2585180), (65, 2545408), (80, 2068144), (104, 1590880), (122, 1356160), (128, 1292590), (130, 1272704), (160, 1034072), (163, 1015040), (208, 795440), (244, 678080), (256, 646295), (260, 636352), (305, 542464), (320, 517036), (326, 507520), (416, 397720), (488, 339040), (520, 318176), (610, 271232), (640, 258518), (652, 253760), (793, 208640), (815, 203008), (832, 198860), (976, 169520), (1040, 159088), (1220, 135616), (1280, 129259), (1304, 126880), (1586, 104320), (1630, 101504), (1664, 99430), (1952, 84760), (2080, 79544), (2119, 78080), (2440, 67808), (2608, 63440), (3172, 52160), (3260, 50752), (3328, 49715), (3904, 42380), (3965, 41728), (4160, 39772), (4238, 39040), (4880, 33904), (5216, 31720), (6344, 26080), (6520, 25376), (7808, 21190), (7930, 20864), (8320, 19886), (8476, 19520), (9760, 16952), (9943, 16640), (10432, 15860), (10595, 15616), (12688, 13040)]