319995840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1297}}^1$

素因数の和:1574

約数の個数: 112

約数和(自身を含む): 1020726432

約数和(自身を除く): 700730592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 257, 320, 480, 514, 771, 960, 1028, 1285, 1297, 1542, 2056, 2570, 2594, 3084, 3855, 3891, 4112, 5140, 5188, 6168, 6485, 7710, 7782, 8224, 10280, 10376, 12336, 12970, 15420, 15564, 16448, 19455, 20560, 20752, 24672, 25940, 30840, 31128, 38910, 41120, 41504, 49344, 51880, 61680, 62256, 77820, 82240, 83008, 103760, 123360, 124512, 155640, 207520, 246720, 249024, 311280, 333329, 415040, 622560, 666658, 999987, 1245120, 1333316, 1666645, 1999974, 2666632, 3333290, 3999948, 4999935, 5333264, 6666580, 7999896, 9999870, 10666528, 13333160, 15999792, 19999740, 21333056, 26666320, 31999584, 39999480, 53332640, 63999168, 79998960, 106665280, 159997920, 319995840]

約数ペア:

[(1, 319995840), (2, 159997920), (3, 106665280), (4, 79998960), (5, 63999168), (6, 53332640), (8, 39999480), (10, 31999584), (12, 26666320), (15, 21333056), (16, 19999740), (20, 15999792), (24, 13333160), (30, 10666528), (32, 9999870), (40, 7999896), (48, 6666580), (60, 5333264), (64, 4999935), (80, 3999948), (96, 3333290), (120, 2666632), (160, 1999974), (192, 1666645), (240, 1333316), (257, 1245120), (320, 999987), (480, 666658), (514, 622560), (771, 415040), (960, 333329), (1028, 311280), (1285, 249024), (1297, 246720), (1542, 207520), (2056, 155640), (2570, 124512), (2594, 123360), (3084, 103760), (3855, 83008), (3891, 82240), (4112, 77820), (5140, 62256), (5188, 61680), (6168, 51880), (6485, 49344), (7710, 41504), (7782, 41120), (8224, 38910), (10280, 31128), (10376, 30840), (12336, 25940), (12970, 24672), (15420, 20752), (15564, 20560), (16448, 19455)]