144616640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 168

約数和(自身を含む): 419051232

約数和(自身を除く): 274434592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 320, 322, 368, 392, 401, 448, 460, 490, 560, 644, 736, 784, 802, 805, 920, 980, 1120, 1127, 1288, 1472, 1568, 1604, 1610, 1840, 1960, 2005, 2240, 2254, 2576, 2807, 3136, 3208, 3220, 3680, 3920, 4010, 4508, 5152, 5614, 5635, 6416, 6440, 7360, 7840, 8020, 9016, 9223, 10304, 11228, 11270, 12832, 12880, 14035, 15680, 16040, 18032, 18446, 19649, 22456, 22540, 25664, 25760, 28070, 32080, 36064, 36892, 39298, 44912, 45080, 46115, 51520, 56140, 64160, 64561, 72128, 73784, 78596, 89824, 90160, 92230, 98245, 112280, 128320, 129122, 147568, 157192, 179648, 180320, 184460, 196490, 224560, 258244, 295136, 314384, 322805, 360640, 368920, 392980, 449120, 451927, 516488, 590272, 628768, 645610, 737840, 785960, 898240, 903854, 1032976, 1257536, 1291220, 1475680, 1571920, 1807708, 2065952, 2259635, 2582440, 2951360, 3143840, 3615416, 4131904, 4519270, 5164880, 6287680, 7230832, 9038540, 10329760, 14461664, 18077080, 20659520, 28923328, 36154160, 72308320, 144616640]

約数ペア:

[(1, 144616640), (2, 72308320), (4, 36154160), (5, 28923328), (7, 20659520), (8, 18077080), (10, 14461664), (14, 10329760), (16, 9038540), (20, 7230832), (23, 6287680), (28, 5164880), (32, 4519270), (35, 4131904), (40, 3615416), (46, 3143840), (49, 2951360), (56, 2582440), (64, 2259635), (70, 2065952), (80, 1807708), (92, 1571920), (98, 1475680), (112, 1291220), (115, 1257536), (140, 1032976), (160, 903854), (161, 898240), (184, 785960), (196, 737840), (224, 645610), (230, 628768), (245, 590272), (280, 516488), (320, 451927), (322, 449120), (368, 392980), (392, 368920), (401, 360640), (448, 322805), (460, 314384), (490, 295136), (560, 258244), (644, 224560), (736, 196490), (784, 184460), (802, 180320), (805, 179648), (920, 157192), (980, 147568), (1120, 129122), (1127, 128320), (1288, 112280), (1472, 98245), (1568, 92230), (1604, 90160), (1610, 89824), (1840, 78596), (1960, 73784), (2005, 72128), (2240, 64561), (2254, 64160), (2576, 56140), (2807, 51520), (3136, 46115), (3208, 45080), (3220, 44912), (3680, 39298), (3920, 36892), (4010, 36064), (4508, 32080), (5152, 28070), (5614, 25760), (5635, 25664), (6416, 22540), (6440, 22456), (7360, 19649), (7840, 18446), (8020, 18032), (9016, 16040), (9223, 15680), (10304, 14035), (11228, 12880), (11270, 12832)]