319672000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1347

約数の個数: 112

約数和(自身を含む): 817839360

約数和(自身を除く): 498167360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 775, 800, 992, 1000, 1240, 1289, 1550, 1600, 1984, 2000, 2480, 2578, 3100, 3875, 4000, 4960, 5156, 6200, 6445, 7750, 8000, 9920, 10312, 12400, 12890, 15500, 20624, 24800, 25780, 31000, 32225, 39959, 41248, 49600, 51560, 62000, 64450, 79918, 82496, 103120, 124000, 128900, 159836, 161125, 199795, 206240, 248000, 257800, 319672, 322250, 399590, 412480, 515600, 639344, 644500, 799180, 998975, 1031200, 1278688, 1289000, 1598360, 1997950, 2062400, 2557376, 2578000, 3196720, 3995900, 4994875, 5156000, 6393440, 7991800, 9989750, 10312000, 12786880, 15983600, 19979500, 31967200, 39959000, 63934400, 79918000, 159836000, 319672000]

約数ペア:

[(1, 319672000), (2, 159836000), (4, 79918000), (5, 63934400), (8, 39959000), (10, 31967200), (16, 19979500), (20, 15983600), (25, 12786880), (31, 10312000), (32, 9989750), (40, 7991800), (50, 6393440), (62, 5156000), (64, 4994875), (80, 3995900), (100, 3196720), (124, 2578000), (125, 2557376), (155, 2062400), (160, 1997950), (200, 1598360), (248, 1289000), (250, 1278688), (310, 1031200), (320, 998975), (400, 799180), (496, 644500), (500, 639344), (620, 515600), (775, 412480), (800, 399590), (992, 322250), (1000, 319672), (1240, 257800), (1289, 248000), (1550, 206240), (1600, 199795), (1984, 161125), (2000, 159836), (2480, 128900), (2578, 124000), (3100, 103120), (3875, 82496), (4000, 79918), (4960, 64450), (5156, 62000), (6200, 51560), (6445, 49600), (7750, 41248), (8000, 39959), (9920, 32225), (10312, 31000), (12400, 25780), (12890, 24800), (15500, 20624)]