208538280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:920

約数の個数: 128

約数和(自身を含む): 698371200

約数和(自身を除く): 489832920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 353, 360, 540, 547, 706, 1059, 1080, 1094, 1412, 1641, 1765, 2118, 2188, 2735, 2824, 3177, 3282, 3530, 4236, 4376, 4923, 5295, 5470, 6354, 6564, 7060, 8205, 8472, 9531, 9846, 10590, 10940, 12708, 13128, 14120, 14769, 15885, 16410, 19062, 19692, 21180, 21880, 24615, 25416, 29538, 31770, 32820, 38124, 39384, 42360, 47655, 49230, 59076, 63540, 65640, 73845, 76248, 95310, 98460, 118152, 127080, 147690, 190620, 193091, 196920, 295380, 381240, 386182, 579273, 590760, 772364, 965455, 1158546, 1544728, 1737819, 1930910, 2317092, 2896365, 3475638, 3861820, 4634184, 5213457, 5792730, 6951276, 7723640, 8689095, 10426914, 11585460, 13902552, 17378190, 20853828, 23170920, 26067285, 34756380, 41707656, 52134570, 69512760, 104269140, 208538280]

約数ペア:

[(1, 208538280), (2, 104269140), (3, 69512760), (4, 52134570), (5, 41707656), (6, 34756380), (8, 26067285), (9, 23170920), (10, 20853828), (12, 17378190), (15, 13902552), (18, 11585460), (20, 10426914), (24, 8689095), (27, 7723640), (30, 6951276), (36, 5792730), (40, 5213457), (45, 4634184), (54, 3861820), (60, 3475638), (72, 2896365), (90, 2317092), (108, 1930910), (120, 1737819), (135, 1544728), (180, 1158546), (216, 965455), (270, 772364), (353, 590760), (360, 579273), (540, 386182), (547, 381240), (706, 295380), (1059, 196920), (1080, 193091), (1094, 190620), (1412, 147690), (1641, 127080), (1765, 118152), (2118, 98460), (2188, 95310), (2735, 76248), (2824, 73845), (3177, 65640), (3282, 63540), (3530, 59076), (4236, 49230), (4376, 47655), (4923, 42360), (5295, 39384), (5470, 38124), (6354, 32820), (6564, 31770), (7060, 29538), (8205, 25416), (8472, 24615), (9531, 21880), (9846, 21180), (10590, 19692), (10940, 19062), (12708, 16410), (13128, 15885), (14120, 14769)]