1920645440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{857431}}^1$

素因数の和:857455

約数の個数: 56

約数和(自身を含む): 5226905472

約数和(自身を除く): 3306260032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 857431, 1714862, 3429724, 4287155, 6002017, 6859448, 8574310, 12004034, 13718896, 17148620, 24008068, 27437792, 30010085, 34297240, 48016136, 54875584, 60020170, 68594480, 96032272, 120040340, 137188960, 192064544, 240080680, 274377920, 384129088, 480161360, 960322720, 1920645440]

約数ペア:

[(1, 1920645440), (2, 960322720), (4, 480161360), (5, 384129088), (7, 274377920), (8, 240080680), (10, 192064544), (14, 137188960), (16, 120040340), (20, 96032272), (28, 68594480), (32, 60020170), (35, 54875584), (40, 48016136), (56, 34297240), (64, 30010085), (70, 27437792), (80, 24008068), (112, 17148620), (140, 13718896), (160, 12004034), (224, 8574310), (280, 6859448), (320, 6002017), (448, 4287155), (560, 3429724), (1120, 1714862), (2240, 857431)]