27991736320

素因数分解:

$2^{20}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 168

約数和(自身を含む): 70967589840

約数和(自身を除く): 42975853520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 281, 304, 320, 380, 512, 562, 608, 640, 760, 1024, 1124, 1216, 1280, 1405, 1520, 2048, 2248, 2432, 2560, 2810, 3040, 4096, 4496, 4864, 5120, 5339, 5620, 6080, 8192, 8992, 9728, 10240, 10678, 11240, 12160, 16384, 17984, 19456, 20480, 21356, 22480, 24320, 26695, 32768, 35968, 38912, 40960, 42712, 44960, 48640, 53390, 65536, 71936, 77824, 81920, 85424, 89920, 97280, 106780, 131072, 143872, 155648, 163840, 170848, 179840, 194560, 213560, 262144, 287744, 311296, 327680, 341696, 359680, 389120, 427120, 524288, 575488, 622592, 655360, 683392, 719360, 778240, 854240, 1048576, 1150976, 1245184, 1310720, 1366784, 1438720, 1556480, 1708480, 2301952, 2490368, 2621440, 2733568, 2877440, 3112960, 3416960, 4603904, 4980736, 5242880, 5467136, 5754880, 6225920, 6833920, 9207808, 9961472, 10934272, 11509760, 12451840, 13667840, 18415616, 19922944, 21868544, 23019520, 24903680, 27335680, 36831232, 43737088, 46039040, 49807360, 54671360, 73662464, 87474176, 92078080, 99614720, 109342720, 147324928, 174948352, 184156160, 218685440, 294649856, 349896704, 368312320, 437370880, 699793408, 736624640, 874741760, 1399586816, 1473249280, 1749483520, 2799173632, 3498967040, 5598347264, 6997934080, 13995868160, 27991736320]

約数ペア:

[(1, 27991736320), (2, 13995868160), (4, 6997934080), (5, 5598347264), (8, 3498967040), (10, 2799173632), (16, 1749483520), (19, 1473249280), (20, 1399586816), (32, 874741760), (38, 736624640), (40, 699793408), (64, 437370880), (76, 368312320), (80, 349896704), (95, 294649856), (128, 218685440), (152, 184156160), (160, 174948352), (190, 147324928), (256, 109342720), (281, 99614720), (304, 92078080), (320, 87474176), (380, 73662464), (512, 54671360), (562, 49807360), (608, 46039040), (640, 43737088), (760, 36831232), (1024, 27335680), (1124, 24903680), (1216, 23019520), (1280, 21868544), (1405, 19922944), (1520, 18415616), (2048, 13667840), (2248, 12451840), (2432, 11509760), (2560, 10934272), (2810, 9961472), (3040, 9207808), (4096, 6833920), (4496, 6225920), (4864, 5754880), (5120, 5467136), (5339, 5242880), (5620, 4980736), (6080, 4603904), (8192, 3416960), (8992, 3112960), (9728, 2877440), (10240, 2733568), (10678, 2621440), (11240, 2490368), (12160, 2301952), (16384, 1708480), (17984, 1556480), (19456, 1438720), (20480, 1366784), (21356, 1310720), (22480, 1245184), (24320, 1150976), (26695, 1048576), (32768, 854240), (35968, 778240), (38912, 719360), (40960, 683392), (42712, 655360), (44960, 622592), (48640, 575488), (53390, 524288), (65536, 427120), (71936, 389120), (77824, 359680), (81920, 341696), (85424, 327680), (89920, 311296), (97280, 287744), (106780, 262144), (131072, 213560), (143872, 194560), (155648, 179840), (163840, 170848)]