18313680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1025

約数の個数: 160

約数和(自身を含む): 70852608

約数和(自身を除く): 52538928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 991, 1155, 1232, 1320, 1540, 1680, 1848, 1982, 2310, 2640, 2973, 3080, 3696, 3964, 4620, 4955, 5946, 6160, 6937, 7928, 9240, 9910, 10901, 11892, 13874, 14865, 15856, 18480, 19820, 20811, 21802, 23784, 27748, 29730, 32703, 34685, 39640, 41622, 43604, 47568, 54505, 55496, 59460, 65406, 69370, 76307, 79280, 83244, 87208, 104055, 109010, 110992, 118920, 130812, 138740, 152614, 163515, 166488, 174416, 208110, 218020, 228921, 237840, 261624, 277480, 305228, 327030, 332976, 381535, 416220, 436040, 457842, 523248, 554960, 610456, 654060, 763070, 832440, 872080, 915684, 1144605, 1220912, 1308120, 1526140, 1664880, 1831368, 2289210, 2616240, 3052280, 3662736, 4578420, 6104560, 9156840, 18313680]

約数ペア:

[(1, 18313680), (2, 9156840), (3, 6104560), (4, 4578420), (5, 3662736), (6, 3052280), (7, 2616240), (8, 2289210), (10, 1831368), (11, 1664880), (12, 1526140), (14, 1308120), (15, 1220912), (16, 1144605), (20, 915684), (21, 872080), (22, 832440), (24, 763070), (28, 654060), (30, 610456), (33, 554960), (35, 523248), (40, 457842), (42, 436040), (44, 416220), (48, 381535), (55, 332976), (56, 327030), (60, 305228), (66, 277480), (70, 261624), (77, 237840), (80, 228921), (84, 218020), (88, 208110), (105, 174416), (110, 166488), (112, 163515), (120, 152614), (132, 138740), (140, 130812), (154, 118920), (165, 110992), (168, 109010), (176, 104055), (210, 87208), (220, 83244), (231, 79280), (240, 76307), (264, 69370), (280, 65406), (308, 59460), (330, 55496), (336, 54505), (385, 47568), (420, 43604), (440, 41622), (462, 39640), (528, 34685), (560, 32703), (616, 29730), (660, 27748), (770, 23784), (840, 21802), (880, 20811), (924, 19820), (991, 18480), (1155, 15856), (1232, 14865), (1320, 13874), (1540, 11892), (1680, 10901), (1848, 9910), (1982, 9240), (2310, 7928), (2640, 6937), (2973, 6160), (3080, 5946), (3696, 4955), (3964, 4620)]