123478080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1063}}^1$

素因数の和:1105

約数の個数: 168

約数和(自身を含む): 431328576

約数和(自身を除く): 307850496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 440, 480, 484, 528, 605, 660, 704, 726, 880, 960, 968, 1056, 1063, 1210, 1320, 1452, 1760, 1815, 1936, 2112, 2126, 2420, 2640, 2904, 3189, 3520, 3630, 3872, 4252, 4840, 5280, 5315, 5808, 6378, 7260, 7744, 8504, 9680, 10560, 10630, 11616, 11693, 12756, 14520, 15945, 17008, 19360, 21260, 23232, 23386, 25512, 29040, 31890, 34016, 35079, 38720, 42520, 46772, 51024, 58080, 58465, 63780, 68032, 70158, 85040, 93544, 102048, 116160, 116930, 127560, 128623, 140316, 170080, 175395, 187088, 204096, 233860, 255120, 257246, 280632, 340160, 350790, 374176, 385869, 467720, 510240, 514492, 561264, 643115, 701580, 748352, 771738, 935440, 1020480, 1028984, 1122528, 1286230, 1403160, 1543476, 1870880, 1929345, 2057968, 2245056, 2572460, 2806320, 3086952, 3741760, 3858690, 4115936, 5144920, 5612640, 6173904, 7717380, 8231872, 10289840, 11225280, 12347808, 15434760, 20579680, 24695616, 30869520, 41159360, 61739040, 123478080]

約数ペア:

[(1, 123478080), (2, 61739040), (3, 41159360), (4, 30869520), (5, 24695616), (6, 20579680), (8, 15434760), (10, 12347808), (11, 11225280), (12, 10289840), (15, 8231872), (16, 7717380), (20, 6173904), (22, 5612640), (24, 5144920), (30, 4115936), (32, 3858690), (33, 3741760), (40, 3086952), (44, 2806320), (48, 2572460), (55, 2245056), (60, 2057968), (64, 1929345), (66, 1870880), (80, 1543476), (88, 1403160), (96, 1286230), (110, 1122528), (120, 1028984), (121, 1020480), (132, 935440), (160, 771738), (165, 748352), (176, 701580), (192, 643115), (220, 561264), (240, 514492), (242, 510240), (264, 467720), (320, 385869), (330, 374176), (352, 350790), (363, 340160), (440, 280632), (480, 257246), (484, 255120), (528, 233860), (605, 204096), (660, 187088), (704, 175395), (726, 170080), (880, 140316), (960, 128623), (968, 127560), (1056, 116930), (1063, 116160), (1210, 102048), (1320, 93544), (1452, 85040), (1760, 70158), (1815, 68032), (1936, 63780), (2112, 58465), (2126, 58080), (2420, 51024), (2640, 46772), (2904, 42520), (3189, 38720), (3520, 35079), (3630, 34016), (3872, 31890), (4252, 29040), (4840, 25512), (5280, 23386), (5315, 23232), (5808, 21260), (6378, 19360), (7260, 17008), (7744, 15945), (8504, 14520), (9680, 12756), (10560, 11693), (10630, 11616)]