121913920

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1151}}^1$

素因数の和:1499

約数の個数: 56

約数和(自身を含む): 291437568

約数和(自身を除く): 169523648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 1151, 1324, 1655, 2302, 2648, 3310, 4604, 5296, 5755, 6620, 9208, 10592, 11510, 13240, 18416, 21184, 23020, 26480, 36832, 46040, 52960, 73664, 92080, 105920, 184160, 368320, 380981, 761962, 1523924, 1904905, 3047848, 3809810, 6095696, 7619620, 12191392, 15239240, 24382784, 30478480, 60956960, 121913920]

約数ペア:

[(1, 121913920), (2, 60956960), (4, 30478480), (5, 24382784), (8, 15239240), (10, 12191392), (16, 7619620), (20, 6095696), (32, 3809810), (40, 3047848), (64, 1904905), (80, 1523924), (160, 761962), (320, 380981), (331, 368320), (662, 184160), (1151, 105920), (1324, 92080), (1655, 73664), (2302, 52960), (2648, 46040), (3310, 36832), (4604, 26480), (5296, 23020), (5755, 21184), (6620, 18416), (9208, 13240), (10592, 11510)]