261102720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:830

約数の個数: 128

約数和(自身を含む): 837216000

約数和(自身を除く): 576113280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 239, 240, 320, 384, 478, 480, 569, 640, 717, 956, 960, 1138, 1195, 1434, 1707, 1912, 1920, 2276, 2390, 2845, 2868, 3414, 3585, 3824, 4552, 4780, 5690, 5736, 6828, 7170, 7648, 8535, 9104, 9560, 11380, 11472, 13656, 14340, 15296, 17070, 18208, 19120, 22760, 22944, 27312, 28680, 30592, 34140, 36416, 38240, 45520, 45888, 54624, 57360, 68280, 72832, 76480, 91040, 91776, 109248, 114720, 135991, 136560, 152960, 182080, 218496, 229440, 271982, 273120, 364160, 407973, 458880, 543964, 546240, 679955, 815946, 1087928, 1092480, 1359910, 1631892, 2039865, 2175856, 2719820, 3263784, 4079730, 4351712, 5439640, 6527568, 8159460, 8703424, 10879280, 13055136, 16318920, 17406848, 21758560, 26110272, 32637840, 43517120, 52220544, 65275680, 87034240, 130551360, 261102720]

約数ペア:

[(1, 261102720), (2, 130551360), (3, 87034240), (4, 65275680), (5, 52220544), (6, 43517120), (8, 32637840), (10, 26110272), (12, 21758560), (15, 17406848), (16, 16318920), (20, 13055136), (24, 10879280), (30, 8703424), (32, 8159460), (40, 6527568), (48, 5439640), (60, 4351712), (64, 4079730), (80, 3263784), (96, 2719820), (120, 2175856), (128, 2039865), (160, 1631892), (192, 1359910), (239, 1092480), (240, 1087928), (320, 815946), (384, 679955), (478, 546240), (480, 543964), (569, 458880), (640, 407973), (717, 364160), (956, 273120), (960, 271982), (1138, 229440), (1195, 218496), (1434, 182080), (1707, 152960), (1912, 136560), (1920, 135991), (2276, 114720), (2390, 109248), (2845, 91776), (2868, 91040), (3414, 76480), (3585, 72832), (3824, 68280), (4552, 57360), (4780, 54624), (5690, 45888), (5736, 45520), (6828, 38240), (7170, 36416), (7648, 34140), (8535, 30592), (9104, 28680), (9560, 27312), (11380, 22944), (11472, 22760), (13656, 19120), (14340, 18208), (15296, 17070)]