155328720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1297}}^1$

素因数の和:1812

約数の個数: 80

約数和(自身を含む): 482856000

約数和(自身を除く): 327527280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 998, 1297, 1497, 1996, 2495, 2594, 2994, 3891, 3992, 4990, 5188, 5988, 6485, 7485, 7782, 7984, 9980, 10376, 11976, 12970, 14970, 15564, 19455, 19960, 20752, 23952, 25940, 29940, 31128, 38910, 39920, 51880, 59880, 62256, 77820, 103760, 119760, 155640, 311280, 647203, 1294406, 1941609, 2588812, 3236015, 3883218, 5177624, 6472030, 7766436, 9708045, 10355248, 12944060, 15532872, 19416090, 25888120, 31065744, 38832180, 51776240, 77664360, 155328720]

約数ペア:

[(1, 155328720), (2, 77664360), (3, 51776240), (4, 38832180), (5, 31065744), (6, 25888120), (8, 19416090), (10, 15532872), (12, 12944060), (15, 10355248), (16, 9708045), (20, 7766436), (24, 6472030), (30, 5177624), (40, 3883218), (48, 3236015), (60, 2588812), (80, 1941609), (120, 1294406), (240, 647203), (499, 311280), (998, 155640), (1297, 119760), (1497, 103760), (1996, 77820), (2495, 62256), (2594, 59880), (2994, 51880), (3891, 39920), (3992, 38910), (4990, 31128), (5188, 29940), (5988, 25940), (6485, 23952), (7485, 20752), (7782, 19960), (7984, 19455), (9980, 15564), (10376, 14970), (11976, 12970)]