15697440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 42798816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 991, 1056, 1320, 1440, 1584, 1760, 1980, 1982, 2640, 2973, 3168, 3960, 3964, 4955, 5280, 5946, 7920, 7928, 8919, 9910, 10901, 11892, 14865, 15840, 15856, 17838, 19820, 21802, 23784, 29730, 31712, 32703, 35676, 39640, 43604, 44595, 47568, 54505, 59460, 65406, 71352, 79280, 87208, 89190, 95136, 98109, 109010, 118920, 130812, 142704, 158560, 163515, 174416, 178380, 196218, 218020, 237840, 261624, 285408, 327030, 348832, 356760, 392436, 436040, 475680, 490545, 523248, 654060, 713520, 784872, 872080, 981090, 1046496, 1308120, 1427040, 1569744, 1744160, 1962180, 2616240, 3139488, 3924360, 5232480, 7848720, 15697440]

約数ペア:

[(1, 15697440), (2, 7848720), (3, 5232480), (4, 3924360), (5, 3139488), (6, 2616240), (8, 1962180), (9, 1744160), (10, 1569744), (11, 1427040), (12, 1308120), (15, 1046496), (16, 981090), (18, 872080), (20, 784872), (22, 713520), (24, 654060), (30, 523248), (32, 490545), (33, 475680), (36, 436040), (40, 392436), (44, 356760), (45, 348832), (48, 327030), (55, 285408), (60, 261624), (66, 237840), (72, 218020), (80, 196218), (88, 178380), (90, 174416), (96, 163515), (99, 158560), (110, 142704), (120, 130812), (132, 118920), (144, 109010), (160, 98109), (165, 95136), (176, 89190), (180, 87208), (198, 79280), (220, 71352), (240, 65406), (264, 59460), (288, 54505), (330, 47568), (352, 44595), (360, 43604), (396, 39640), (440, 35676), (480, 32703), (495, 31712), (528, 29730), (660, 23784), (720, 21802), (792, 19820), (880, 17838), (990, 15856), (991, 15840), (1056, 14865), (1320, 11892), (1440, 10901), (1584, 9910), (1760, 8919), (1980, 7928), (1982, 7920), (2640, 5946), (2973, 5280), (3168, 4955), (3960, 3964)]