78926120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21683}}^1$

素因数の和:21714

約数の個数: 64

約数和(自身を含む): 218574720

約数和(自身を除く): 139648600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21683, 43366, 86732, 108415, 151781, 173464, 216830, 281879, 303562, 433660, 563758, 607124, 758905, 867320, 1127516, 1214248, 1409395, 1517810, 1973153, 2255032, 2818790, 3035620, 3946306, 5637580, 6071240, 7892612, 9865765, 11275160, 15785224, 19731530, 39463060, 78926120]

約数ペア:

[(1, 78926120), (2, 39463060), (4, 19731530), (5, 15785224), (7, 11275160), (8, 9865765), (10, 7892612), (13, 6071240), (14, 5637580), (20, 3946306), (26, 3035620), (28, 2818790), (35, 2255032), (40, 1973153), (52, 1517810), (56, 1409395), (65, 1214248), (70, 1127516), (91, 867320), (104, 758905), (130, 607124), (140, 563758), (182, 433660), (260, 303562), (280, 281879), (364, 216830), (455, 173464), (520, 151781), (728, 108415), (910, 86732), (1820, 43366), (3640, 21683)]