123950720

素因数分解:

$2^7\times 5^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:973

約数の個数: 64

約数和(自身を含む): 297780840

約数和(自身を除く): 173830120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 293, 320, 586, 640, 661, 1172, 1322, 1465, 2344, 2644, 2930, 3305, 4688, 5288, 5860, 6610, 9376, 10576, 11720, 13220, 18752, 21152, 23440, 26440, 37504, 42304, 46880, 52880, 84608, 93760, 105760, 187520, 193673, 211520, 387346, 423040, 774692, 968365, 1549384, 1936730, 3098768, 3873460, 6197536, 7746920, 12395072, 15493840, 24790144, 30987680, 61975360, 123950720]

約数ペア:

[(1, 123950720), (2, 61975360), (4, 30987680), (5, 24790144), (8, 15493840), (10, 12395072), (16, 7746920), (20, 6197536), (32, 3873460), (40, 3098768), (64, 1936730), (80, 1549384), (128, 968365), (160, 774692), (293, 423040), (320, 387346), (586, 211520), (640, 193673), (661, 187520), (1172, 105760), (1322, 93760), (1465, 84608), (2344, 52880), (2644, 46880), (2930, 42304), (3305, 37504), (4688, 26440), (5288, 23440), (5860, 21152), (6610, 18752), (9376, 13220), (10576, 11720)]