145168640

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4931}}^1$

素因数の和:4975

約数の個数: 72

約数和(自身を含む): 362916288

約数和(自身を除く): 217747648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 4931, 5888, 7360, 9862, 14720, 19724, 24655, 29440, 39448, 49310, 78896, 98620, 113413, 157792, 197240, 226826, 315584, 394480, 453652, 567065, 631168, 788960, 907304, 1134130, 1262336, 1577920, 1814608, 2268260, 3155840, 3629216, 4536520, 6311680, 7258432, 9073040, 14516864, 18146080, 29033728, 36292160, 72584320, 145168640]

約数ペア:

[(1, 145168640), (2, 72584320), (4, 36292160), (5, 29033728), (8, 18146080), (10, 14516864), (16, 9073040), (20, 7258432), (23, 6311680), (32, 4536520), (40, 3629216), (46, 3155840), (64, 2268260), (80, 1814608), (92, 1577920), (115, 1262336), (128, 1134130), (160, 907304), (184, 788960), (230, 631168), (256, 567065), (320, 453652), (368, 394480), (460, 315584), (640, 226826), (736, 197240), (920, 157792), (1280, 113413), (1472, 98620), (1840, 78896), (2944, 49310), (3680, 39448), (4931, 29440), (5888, 24655), (7360, 19724), (9862, 14720)]