1258967040

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 208

約数和(自身を含む): 4164435456

約数和(自身を除く): 2905468416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 661, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1322, 1488, 1536, 1860, 1920, 1983, 1984, 2048, 2480, 2560, 2644, 2976, 3072, 3305, 3720, 3840, 3966, 3968, 4096, 4960, 5120, 5288, 5952, 6144, 6610, 7440, 7680, 7932, 7936, 9915, 9920, 10240, 10576, 11904, 12288, 13220, 14880, 15360, 15864, 15872, 19830, 19840, 20480, 20491, 21152, 23808, 26440, 29760, 30720, 31728, 31744, 39660, 39680, 40982, 42304, 47616, 52880, 59520, 61440, 61473, 63456, 63488, 79320, 79360, 81964, 84608, 95232, 102455, 105760, 119040, 122946, 126912, 126976, 158640, 158720, 163928, 169216, 190464, 204910, 211520, 238080, 245892, 253824, 307365, 317280, 317440, 327856, 338432, 380928, 409820, 423040, 476160, 491784, 507648, 614730, 634560, 634880, 655712, 676864, 819640, 846080, 952320, 983568, 1015296, 1229460, 1269120, 1311424, 1353728, 1639280, 1692160, 1904640, 1967136, 2030592, 2458920, 2538240, 2622848, 2707456, 3278560, 3384320, 3934272, 4061184, 4917840, 5076480, 5245696, 6557120, 6768640, 7868544, 8122368, 9835680, 10152960, 10491392, 13114240, 13537280, 15737088, 19671360, 20305920, 20982784, 26228480, 31474176, 39342720, 40611840, 41965568, 52456960, 62948352, 78685440, 83931136, 104913920, 125896704, 157370880, 209827840, 251793408, 314741760, 419655680, 629483520, 1258967040]

約数ペア:

[(1, 1258967040), (2, 629483520), (3, 419655680), (4, 314741760), (5, 251793408), (6, 209827840), (8, 157370880), (10, 125896704), (12, 104913920), (15, 83931136), (16, 78685440), (20, 62948352), (24, 52456960), (30, 41965568), (31, 40611840), (32, 39342720), (40, 31474176), (48, 26228480), (60, 20982784), (62, 20305920), (64, 19671360), (80, 15737088), (93, 13537280), (96, 13114240), (120, 10491392), (124, 10152960), (128, 9835680), (155, 8122368), (160, 7868544), (186, 6768640), (192, 6557120), (240, 5245696), (248, 5076480), (256, 4917840), (310, 4061184), (320, 3934272), (372, 3384320), (384, 3278560), (465, 2707456), (480, 2622848), (496, 2538240), (512, 2458920), (620, 2030592), (640, 1967136), (661, 1904640), (744, 1692160), (768, 1639280), (930, 1353728), (960, 1311424), (992, 1269120), (1024, 1229460), (1240, 1015296), (1280, 983568), (1322, 952320), (1488, 846080), (1536, 819640), (1860, 676864), (1920, 655712), (1983, 634880), (1984, 634560), (2048, 614730), (2480, 507648), (2560, 491784), (2644, 476160), (2976, 423040), (3072, 409820), (3305, 380928), (3720, 338432), (3840, 327856), (3966, 317440), (3968, 317280), (4096, 307365), (4960, 253824), (5120, 245892), (5288, 238080), (5952, 211520), (6144, 204910), (6610, 190464), (7440, 169216), (7680, 163928), (7932, 158720), (7936, 158640), (9915, 126976), (9920, 126912), (10240, 122946), (10576, 119040), (11904, 105760), (12288, 102455), (13220, 95232), (14880, 84608), (15360, 81964), (15864, 79360), (15872, 79320), (19830, 63488), (19840, 63456), (20480, 61473), (20491, 61440), (21152, 59520), (23808, 52880), (26440, 47616), (29760, 42304), (30720, 40982), (31728, 39680), (31744, 39660)]