161915520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 192

約数和(自身を含む): 559980000

約数和(自身を除く): 398064480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 384, 390, 416, 480, 499, 507, 520, 624, 640, 676, 780, 832, 845, 960, 998, 1014, 1040, 1248, 1352, 1497, 1560, 1664, 1690, 1920, 1996, 2028, 2080, 2495, 2496, 2535, 2704, 2994, 3120, 3380, 3992, 4056, 4160, 4990, 4992, 5070, 5408, 5988, 6240, 6487, 6760, 7485, 7984, 8112, 8320, 9980, 10140, 10816, 11976, 12480, 12974, 13520, 14970, 15968, 16224, 19461, 19960, 20280, 21632, 23952, 24960, 25948, 27040, 29940, 31936, 32435, 32448, 38922, 39920, 40560, 47904, 51896, 54080, 59880, 63872, 64870, 64896, 77844, 79840, 81120, 84331, 95808, 97305, 103792, 108160, 119760, 129740, 155688, 159680, 162240, 168662, 191616, 194610, 207584, 239520, 252993, 259480, 311376, 319360, 324480, 337324, 389220, 415168, 421655, 479040, 505986, 518960, 622752, 674648, 778440, 830336, 843310, 958080, 1011972, 1037920, 1245504, 1264965, 1349296, 1556880, 1686620, 2023944, 2075840, 2491008, 2529930, 2698592, 3113760, 3373240, 4047888, 4151680, 5059860, 5397184, 6227520, 6746480, 8095776, 10119720, 10794368, 12455040, 13492960, 16191552, 20239440, 26985920, 32383104, 40478880, 53971840, 80957760, 161915520]

約数ペア:

[(1, 161915520), (2, 80957760), (3, 53971840), (4, 40478880), (5, 32383104), (6, 26985920), (8, 20239440), (10, 16191552), (12, 13492960), (13, 12455040), (15, 10794368), (16, 10119720), (20, 8095776), (24, 6746480), (26, 6227520), (30, 5397184), (32, 5059860), (39, 4151680), (40, 4047888), (48, 3373240), (52, 3113760), (60, 2698592), (64, 2529930), (65, 2491008), (78, 2075840), (80, 2023944), (96, 1686620), (104, 1556880), (120, 1349296), (128, 1264965), (130, 1245504), (156, 1037920), (160, 1011972), (169, 958080), (192, 843310), (195, 830336), (208, 778440), (240, 674648), (260, 622752), (312, 518960), (320, 505986), (338, 479040), (384, 421655), (390, 415168), (416, 389220), (480, 337324), (499, 324480), (507, 319360), (520, 311376), (624, 259480), (640, 252993), (676, 239520), (780, 207584), (832, 194610), (845, 191616), (960, 168662), (998, 162240), (1014, 159680), (1040, 155688), (1248, 129740), (1352, 119760), (1497, 108160), (1560, 103792), (1664, 97305), (1690, 95808), (1920, 84331), (1996, 81120), (2028, 79840), (2080, 77844), (2495, 64896), (2496, 64870), (2535, 63872), (2704, 59880), (2994, 54080), (3120, 51896), (3380, 47904), (3992, 40560), (4056, 39920), (4160, 38922), (4990, 32448), (4992, 32435), (5070, 31936), (5408, 29940), (5988, 27040), (6240, 25948), (6487, 24960), (6760, 23952), (7485, 21632), (7984, 20280), (8112, 19960), (8320, 19461), (9980, 16224), (10140, 15968), (10816, 14970), (11976, 13520), (12480, 12974)]