145519360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 404712000

約数和(自身を除く): 259192640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 128, 140, 149, 160, 218, 224, 256, 280, 298, 320, 436, 448, 545, 560, 596, 640, 745, 763, 872, 896, 1043, 1090, 1120, 1192, 1280, 1490, 1526, 1744, 1792, 2086, 2180, 2240, 2384, 2980, 3052, 3488, 3815, 4172, 4360, 4480, 4768, 5215, 5960, 6104, 6976, 7630, 8344, 8720, 8960, 9536, 10430, 11920, 12208, 13952, 15260, 16241, 16688, 17440, 19072, 20860, 23840, 24416, 27904, 30520, 32482, 33376, 34880, 38144, 41720, 47680, 48832, 61040, 64964, 66752, 69760, 81205, 83440, 95360, 97664, 113687, 122080, 129928, 133504, 139520, 162410, 166880, 190720, 195328, 227374, 244160, 259856, 267008, 324820, 333760, 454748, 488320, 519712, 568435, 649640, 667520, 909496, 976640, 1039424, 1136870, 1299280, 1335040, 1818992, 2078848, 2273740, 2598560, 3637984, 4157696, 4547480, 5197120, 7275968, 9094960, 10394240, 14551936, 18189920, 20788480, 29103872, 36379840, 72759680, 145519360]

約数ペア:

[(1, 145519360), (2, 72759680), (4, 36379840), (5, 29103872), (7, 20788480), (8, 18189920), (10, 14551936), (14, 10394240), (16, 9094960), (20, 7275968), (28, 5197120), (32, 4547480), (35, 4157696), (40, 3637984), (56, 2598560), (64, 2273740), (70, 2078848), (80, 1818992), (109, 1335040), (112, 1299280), (128, 1136870), (140, 1039424), (149, 976640), (160, 909496), (218, 667520), (224, 649640), (256, 568435), (280, 519712), (298, 488320), (320, 454748), (436, 333760), (448, 324820), (545, 267008), (560, 259856), (596, 244160), (640, 227374), (745, 195328), (763, 190720), (872, 166880), (896, 162410), (1043, 139520), (1090, 133504), (1120, 129928), (1192, 122080), (1280, 113687), (1490, 97664), (1526, 95360), (1744, 83440), (1792, 81205), (2086, 69760), (2180, 66752), (2240, 64964), (2384, 61040), (2980, 48832), (3052, 47680), (3488, 41720), (3815, 38144), (4172, 34880), (4360, 33376), (4480, 32482), (4768, 30520), (5215, 27904), (5960, 24416), (6104, 23840), (6976, 20860), (7630, 19072), (8344, 17440), (8720, 16688), (8960, 16241), (9536, 15260), (10430, 13952), (11920, 12208)]