7848720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1021

約数の個数: 120

約数和(自身を含む): 28783872

約数和(自身を除く): 20935152

約数列:

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

約数ペア:

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