261755760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4211}}^1$

素因数の和:4271

約数の個数: 160

約数和(自身を含む): 952653312

約数和(自身を除く): 690897552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 518, 555, 560, 592, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 1680, 1776, 2072, 2220, 2590, 2960, 3108, 3885, 4144, 4211, 4440, 5180, 6216, 7770, 8422, 8880, 10360, 12432, 12633, 15540, 16844, 20720, 21055, 25266, 29477, 31080, 33688, 42110, 50532, 58954, 62160, 63165, 67376, 84220, 88431, 101064, 117908, 126330, 147385, 155807, 168440, 176862, 202128, 235816, 252660, 294770, 311614, 336880, 353724, 442155, 467421, 471632, 505320, 589540, 623228, 707448, 779035, 884310, 934842, 1010640, 1090649, 1179080, 1246456, 1414896, 1558070, 1768620, 1869684, 2181298, 2337105, 2358160, 2492912, 3116140, 3271947, 3537240, 3739368, 4362596, 4674210, 5453245, 6232280, 6543894, 7074480, 7478736, 8725192, 9348420, 10906490, 12464560, 13087788, 16359735, 17450384, 18696840, 21812980, 26175576, 32719470, 37393680, 43625960, 52351152, 65438940, 87251920, 130877880, 261755760]

約数ペア:

[(1, 261755760), (2, 130877880), (3, 87251920), (4, 65438940), (5, 52351152), (6, 43625960), (7, 37393680), (8, 32719470), (10, 26175576), (12, 21812980), (14, 18696840), (15, 17450384), (16, 16359735), (20, 13087788), (21, 12464560), (24, 10906490), (28, 9348420), (30, 8725192), (35, 7478736), (37, 7074480), (40, 6543894), (42, 6232280), (48, 5453245), (56, 4674210), (60, 4362596), (70, 3739368), (74, 3537240), (80, 3271947), (84, 3116140), (105, 2492912), (111, 2358160), (112, 2337105), (120, 2181298), (140, 1869684), (148, 1768620), (168, 1558070), (185, 1414896), (210, 1246456), (222, 1179080), (240, 1090649), (259, 1010640), (280, 934842), (296, 884310), (336, 779035), (370, 707448), (420, 623228), (444, 589540), (518, 505320), (555, 471632), (560, 467421), (592, 442155), (740, 353724), (777, 336880), (840, 311614), (888, 294770), (1036, 252660), (1110, 235816), (1295, 202128), (1480, 176862), (1554, 168440), (1680, 155807), (1776, 147385), (2072, 126330), (2220, 117908), (2590, 101064), (2960, 88431), (3108, 84220), (3885, 67376), (4144, 63165), (4211, 62160), (4440, 58954), (5180, 50532), (6216, 42110), (7770, 33688), (8422, 31080), (8880, 29477), (10360, 25266), (12432, 21055), (12633, 20720), (15540, 16844)]