131579520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{68531}}^1$

素因数の和:68553

約数の個数: 64

約数和(自身を含む): 419415840

約数和(自身を除く): 287836320

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 68531, 137062, 205593, 274124, 342655, 411186, 548248, 685310, 822372, 1027965, 1096496, 1370620, 1644744, 2055930, 2192992, 2741240, 3289488, 4111860, 4385984, 5482480, 6578976, 8223720, 8771968, 10964960, 13157952, 16447440, 21929920, 26315904, 32894880, 43859840, 65789760, 131579520]

約数ペア:

[(1, 131579520), (2, 65789760), (3, 43859840), (4, 32894880), (5, 26315904), (6, 21929920), (8, 16447440), (10, 13157952), (12, 10964960), (15, 8771968), (16, 8223720), (20, 6578976), (24, 5482480), (30, 4385984), (32, 4111860), (40, 3289488), (48, 2741240), (60, 2192992), (64, 2055930), (80, 1644744), (96, 1370620), (120, 1096496), (128, 1027965), (160, 822372), (192, 685310), (240, 548248), (320, 411186), (384, 342655), (480, 274124), (640, 205593), (960, 137062), (1920, 68531)]