123360720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:877

約数の個数: 160

約数和(自身を含む): 442138368

約数和(自身を除く): 318777648

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, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 757, 776, 840, 970, 1164, 1358, 1455, 1514, 1552, 1680, 1940, 2037, 2271, 2328, 2716, 2910, 3028, 3395, 3785, 3880, 4074, 4542, 4656, 5299, 5432, 5820, 6056, 6790, 7570, 7760, 8148, 9084, 10185, 10598, 10864, 11355, 11640, 12112, 13580, 15140, 15897, 16296, 18168, 20370, 21196, 22710, 23280, 26495, 27160, 30280, 31794, 32592, 36336, 40740, 42392, 45420, 52990, 54320, 60560, 63588, 73429, 79485, 81480, 84784, 90840, 105980, 127176, 146858, 158970, 162960, 181680, 211960, 220287, 254352, 293716, 317940, 367145, 423920, 440574, 514003, 587432, 635880, 734290, 881148, 1028006, 1101435, 1174864, 1271760, 1468580, 1542009, 1762296, 2056012, 2202870, 2570015, 2937160, 3084018, 3524592, 4112024, 4405740, 5140030, 5874320, 6168036, 7710045, 8224048, 8811480, 10280060, 12336072, 15420090, 17622960, 20560120, 24672144, 30840180, 41120240, 61680360, 123360720]

約数ペア:

[(1, 123360720), (2, 61680360), (3, 41120240), (4, 30840180), (5, 24672144), (6, 20560120), (7, 17622960), (8, 15420090), (10, 12336072), (12, 10280060), (14, 8811480), (15, 8224048), (16, 7710045), (20, 6168036), (21, 5874320), (24, 5140030), (28, 4405740), (30, 4112024), (35, 3524592), (40, 3084018), (42, 2937160), (48, 2570015), (56, 2202870), (60, 2056012), (70, 1762296), (80, 1542009), (84, 1468580), (97, 1271760), (105, 1174864), (112, 1101435), (120, 1028006), (140, 881148), (168, 734290), (194, 635880), (210, 587432), (240, 514003), (280, 440574), (291, 423920), (336, 367145), (388, 317940), (420, 293716), (485, 254352), (560, 220287), (582, 211960), (679, 181680), (757, 162960), (776, 158970), (840, 146858), (970, 127176), (1164, 105980), (1358, 90840), (1455, 84784), (1514, 81480), (1552, 79485), (1680, 73429), (1940, 63588), (2037, 60560), (2271, 54320), (2328, 52990), (2716, 45420), (2910, 42392), (3028, 40740), (3395, 36336), (3785, 32592), (3880, 31794), (4074, 30280), (4542, 27160), (4656, 26495), (5299, 23280), (5432, 22710), (5820, 21196), (6056, 20370), (6790, 18168), (7570, 16296), (7760, 15897), (8148, 15140), (9084, 13580), (10185, 12112), (10598, 11640), (10864, 11355)]