6856720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 18123840

約数和(自身を除く): 11267120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 347, 380, 494, 520, 694, 760, 988, 1040, 1235, 1388, 1520, 1735, 1976, 2470, 2776, 3470, 3952, 4511, 4940, 5552, 6593, 6940, 9022, 9880, 13186, 13880, 18044, 19760, 22555, 26372, 27760, 32965, 36088, 45110, 52744, 65930, 72176, 85709, 90220, 105488, 131860, 171418, 180440, 263720, 342836, 360880, 428545, 527440, 685672, 857090, 1371344, 1714180, 3428360, 6856720]

約数ペア:

[(1, 6856720), (2, 3428360), (4, 1714180), (5, 1371344), (8, 857090), (10, 685672), (13, 527440), (16, 428545), (19, 360880), (20, 342836), (26, 263720), (38, 180440), (40, 171418), (52, 131860), (65, 105488), (76, 90220), (80, 85709), (95, 72176), (104, 65930), (130, 52744), (152, 45110), (190, 36088), (208, 32965), (247, 27760), (260, 26372), (304, 22555), (347, 19760), (380, 18044), (494, 13880), (520, 13186), (694, 9880), (760, 9022), (988, 6940), (1040, 6593), (1235, 5552), (1388, 4940), (1520, 4511), (1735, 3952), (1976, 3470), (2470, 2776)]