57719720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 137808000

約数和(自身を除く): 80088280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 439, 692, 760, 865, 878, 1384, 1730, 1756, 2195, 3287, 3460, 3512, 4390, 6574, 6920, 8341, 8780, 13148, 16435, 16682, 17560, 26296, 32870, 33364, 41705, 65740, 66728, 75947, 83410, 131480, 151894, 166820, 303788, 333640, 379735, 607576, 759470, 1442993, 1518940, 2885986, 3037880, 5771972, 7214965, 11543944, 14429930, 28859860, 57719720]

約数ペア:

[(1, 57719720), (2, 28859860), (4, 14429930), (5, 11543944), (8, 7214965), (10, 5771972), (19, 3037880), (20, 2885986), (38, 1518940), (40, 1442993), (76, 759470), (95, 607576), (152, 379735), (173, 333640), (190, 303788), (346, 166820), (380, 151894), (439, 131480), (692, 83410), (760, 75947), (865, 66728), (878, 65740), (1384, 41705), (1730, 33364), (1756, 32870), (2195, 26296), (3287, 17560), (3460, 16682), (3512, 16435), (4390, 13148), (6574, 8780), (6920, 8341)]