191916800

素因数分解:

$2^8\times 5^2\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 108

約数和(自身を含む): 480552576

約数和(自身を除く): 288635776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 157, 160, 191, 200, 256, 314, 320, 382, 400, 628, 640, 764, 785, 800, 955, 1256, 1280, 1528, 1570, 1600, 1910, 2512, 3056, 3140, 3200, 3820, 3925, 4775, 5024, 6112, 6280, 6400, 7640, 7850, 9550, 10048, 12224, 12560, 15280, 15700, 19100, 20096, 24448, 25120, 29987, 30560, 31400, 38200, 40192, 48896, 50240, 59974, 61120, 62800, 76400, 100480, 119948, 122240, 125600, 149935, 152800, 200960, 239896, 244480, 251200, 299870, 305600, 479792, 502400, 599740, 611200, 749675, 959584, 1004800, 1199480, 1222400, 1499350, 1919168, 2398960, 2998700, 3838336, 4797920, 5997400, 7676672, 9595840, 11994800, 19191680, 23989600, 38383360, 47979200, 95958400, 191916800]

約数ペア:

[(1, 191916800), (2, 95958400), (4, 47979200), (5, 38383360), (8, 23989600), (10, 19191680), (16, 11994800), (20, 9595840), (25, 7676672), (32, 5997400), (40, 4797920), (50, 3838336), (64, 2998700), (80, 2398960), (100, 1919168), (128, 1499350), (157, 1222400), (160, 1199480), (191, 1004800), (200, 959584), (256, 749675), (314, 611200), (320, 599740), (382, 502400), (400, 479792), (628, 305600), (640, 299870), (764, 251200), (785, 244480), (800, 239896), (955, 200960), (1256, 152800), (1280, 149935), (1528, 125600), (1570, 122240), (1600, 119948), (1910, 100480), (2512, 76400), (3056, 62800), (3140, 61120), (3200, 59974), (3820, 50240), (3925, 48896), (4775, 40192), (5024, 38200), (6112, 31400), (6280, 30560), (6400, 29987), (7640, 25120), (7850, 24448), (9550, 20096), (10048, 19100), (12224, 15700), (12560, 15280)]