2015018780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 4577126400

約数和(自身を除く): 2562107620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 257, 380, 439, 470, 514, 878, 893, 940, 1028, 1285, 1756, 1786, 2195, 2570, 3572, 4390, 4465, 4883, 5140, 8341, 8780, 8930, 9766, 12079, 16682, 17860, 19532, 20633, 24158, 24415, 33364, 41266, 41705, 48316, 48830, 60395, 82532, 83410, 97660, 103165, 112823, 120790, 166820, 206330, 225646, 229501, 241580, 392027, 412660, 451292, 459002, 564115, 784054, 918004, 1128230, 1147505, 1568108, 1960135, 2143637, 2256460, 2295010, 3920270, 4287274, 4590020, 5302681, 7840540, 8574548, 10605362, 10718185, 21210724, 21436370, 26513405, 42872740, 53026810, 100750939, 106053620, 201501878, 403003756, 503754695, 1007509390, 2015018780]

約数ペア:

[(1, 2015018780), (2, 1007509390), (4, 503754695), (5, 403003756), (10, 201501878), (19, 106053620), (20, 100750939), (38, 53026810), (47, 42872740), (76, 26513405), (94, 21436370), (95, 21210724), (188, 10718185), (190, 10605362), (235, 8574548), (257, 7840540), (380, 5302681), (439, 4590020), (470, 4287274), (514, 3920270), (878, 2295010), (893, 2256460), (940, 2143637), (1028, 1960135), (1285, 1568108), (1756, 1147505), (1786, 1128230), (2195, 918004), (2570, 784054), (3572, 564115), (4390, 459002), (4465, 451292), (4883, 412660), (5140, 392027), (8341, 241580), (8780, 229501), (8930, 225646), (9766, 206330), (12079, 166820), (16682, 120790), (17860, 112823), (19532, 103165), (20633, 97660), (24158, 83410), (24415, 82532), (33364, 60395), (41266, 48830), (41705, 48316)]