285205760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 789801600

約数和(自身を除く): 504595840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 229, 256, 278, 280, 320, 448, 458, 556, 560, 640, 695, 896, 916, 973, 1112, 1120, 1145, 1280, 1390, 1603, 1792, 1832, 1946, 2224, 2240, 2290, 2780, 3206, 3664, 3892, 4448, 4480, 4580, 4865, 5560, 6412, 7328, 7784, 8015, 8896, 8960, 9160, 9730, 11120, 12824, 14656, 15568, 16030, 17792, 18320, 19460, 22240, 25648, 29312, 31136, 31831, 32060, 35584, 36640, 38920, 44480, 51296, 58624, 62272, 63662, 64120, 73280, 77840, 88960, 102592, 124544, 127324, 128240, 146560, 155680, 159155, 177920, 205184, 222817, 249088, 254648, 256480, 293120, 311360, 318310, 410368, 445634, 509296, 512960, 622720, 636620, 891268, 1018592, 1025920, 1114085, 1245440, 1273240, 1782536, 2037184, 2051840, 2228170, 2546480, 3565072, 4074368, 4456340, 5092960, 7130144, 8148736, 8912680, 10185920, 14260288, 17825360, 20371840, 28520576, 35650720, 40743680, 57041152, 71301440, 142602880, 285205760]

約数ペア:

[(1, 285205760), (2, 142602880), (4, 71301440), (5, 57041152), (7, 40743680), (8, 35650720), (10, 28520576), (14, 20371840), (16, 17825360), (20, 14260288), (28, 10185920), (32, 8912680), (35, 8148736), (40, 7130144), (56, 5092960), (64, 4456340), (70, 4074368), (80, 3565072), (112, 2546480), (128, 2228170), (139, 2051840), (140, 2037184), (160, 1782536), (224, 1273240), (229, 1245440), (256, 1114085), (278, 1025920), (280, 1018592), (320, 891268), (448, 636620), (458, 622720), (556, 512960), (560, 509296), (640, 445634), (695, 410368), (896, 318310), (916, 311360), (973, 293120), (1112, 256480), (1120, 254648), (1145, 249088), (1280, 222817), (1390, 205184), (1603, 177920), (1792, 159155), (1832, 155680), (1946, 146560), (2224, 128240), (2240, 127324), (2290, 124544), (2780, 102592), (3206, 88960), (3664, 77840), (3892, 73280), (4448, 64120), (4480, 63662), (4580, 62272), (4865, 58624), (5560, 51296), (6412, 44480), (7328, 38920), (7784, 36640), (8015, 35584), (8896, 32060), (8960, 31831), (9160, 31136), (9730, 29312), (11120, 25648), (12824, 22240), (14656, 19460), (15568, 18320), (16030, 17792)]