644982880

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 1567641600

約数和(自身を除く): 922658720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 199, 235, 376, 398, 431, 470, 752, 796, 862, 940, 995, 1504, 1592, 1724, 1880, 1990, 2155, 3184, 3448, 3760, 3980, 4310, 6368, 6896, 7520, 7960, 8620, 9353, 13792, 15920, 17240, 18706, 20257, 31840, 34480, 37412, 40514, 46765, 68960, 74824, 81028, 85769, 93530, 101285, 149648, 162056, 171538, 187060, 202570, 299296, 324112, 343076, 374120, 405140, 428845, 648224, 686152, 748240, 810280, 857690, 1372304, 1496480, 1620560, 1715380, 2744608, 3241120, 3430760, 4031143, 6861520, 8062286, 13723040, 16124572, 20155715, 32249144, 40311430, 64498288, 80622860, 128996576, 161245720, 322491440, 644982880]

約数ペア:

[(1, 644982880), (2, 322491440), (4, 161245720), (5, 128996576), (8, 80622860), (10, 64498288), (16, 40311430), (20, 32249144), (32, 20155715), (40, 16124572), (47, 13723040), (80, 8062286), (94, 6861520), (160, 4031143), (188, 3430760), (199, 3241120), (235, 2744608), (376, 1715380), (398, 1620560), (431, 1496480), (470, 1372304), (752, 857690), (796, 810280), (862, 748240), (940, 686152), (995, 648224), (1504, 428845), (1592, 405140), (1724, 374120), (1880, 343076), (1990, 324112), (2155, 299296), (3184, 202570), (3448, 187060), (3760, 171538), (3980, 162056), (4310, 149648), (6368, 101285), (6896, 93530), (7520, 85769), (7960, 81028), (8620, 74824), (9353, 68960), (13792, 46765), (15920, 40514), (17240, 37412), (18706, 34480), (20257, 31840)]