279872880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2731}}^1$

素因数の和:2815

約数の個数: 160

約数和(自身を含む): 1008173568

約数和(自身を除く): 728300688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 840, 854, 915, 976, 1220, 1281, 1464, 1680, 1708, 1830, 2135, 2440, 2562, 2731, 2928, 3416, 3660, 4270, 4880, 5124, 5462, 6405, 6832, 7320, 8193, 8540, 10248, 10924, 12810, 13655, 14640, 16386, 17080, 19117, 20496, 21848, 25620, 27310, 32772, 34160, 38234, 40965, 43696, 51240, 54620, 57351, 65544, 76468, 81930, 95585, 102480, 109240, 114702, 131088, 152936, 163860, 166591, 191170, 218480, 229404, 286755, 305872, 327720, 333182, 382340, 458808, 499773, 573510, 655440, 666364, 764680, 832955, 917616, 999546, 1147020, 1166137, 1332728, 1529360, 1665910, 1999092, 2294040, 2332274, 2498865, 2665456, 3331820, 3498411, 3998184, 4588080, 4664548, 4997730, 5830685, 6663640, 6996822, 7996368, 9329096, 9995460, 11661370, 13327280, 13993644, 17492055, 18658192, 19990920, 23322740, 27987288, 34984110, 39981840, 46645480, 55974576, 69968220, 93290960, 139936440, 279872880]

約数ペア:

[(1, 279872880), (2, 139936440), (3, 93290960), (4, 69968220), (5, 55974576), (6, 46645480), (7, 39981840), (8, 34984110), (10, 27987288), (12, 23322740), (14, 19990920), (15, 18658192), (16, 17492055), (20, 13993644), (21, 13327280), (24, 11661370), (28, 9995460), (30, 9329096), (35, 7996368), (40, 6996822), (42, 6663640), (48, 5830685), (56, 4997730), (60, 4664548), (61, 4588080), (70, 3998184), (80, 3498411), (84, 3331820), (105, 2665456), (112, 2498865), (120, 2332274), (122, 2294040), (140, 1999092), (168, 1665910), (183, 1529360), (210, 1332728), (240, 1166137), (244, 1147020), (280, 999546), (305, 917616), (336, 832955), (366, 764680), (420, 666364), (427, 655440), (488, 573510), (560, 499773), (610, 458808), (732, 382340), (840, 333182), (854, 327720), (915, 305872), (976, 286755), (1220, 229404), (1281, 218480), (1464, 191170), (1680, 166591), (1708, 163860), (1830, 152936), (2135, 131088), (2440, 114702), (2562, 109240), (2731, 102480), (2928, 95585), (3416, 81930), (3660, 76468), (4270, 65544), (4880, 57351), (5124, 54620), (5462, 51240), (6405, 43696), (6832, 40965), (7320, 38234), (8193, 34160), (8540, 32772), (10248, 27310), (10924, 25620), (12810, 21848), (13655, 20496), (14640, 19117), (16386, 17080)]