161986160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 463222584

約数和(自身を除く): 301236424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 49, 56, 62, 70, 80, 86, 98, 112, 124, 140, 155, 172, 196, 215, 217, 245, 248, 280, 301, 310, 344, 392, 430, 434, 490, 496, 560, 602, 620, 688, 784, 860, 868, 961, 980, 1085, 1204, 1240, 1333, 1505, 1519, 1720, 1736, 1922, 1960, 2107, 2170, 2408, 2480, 2666, 3010, 3038, 3440, 3472, 3844, 3920, 4214, 4340, 4805, 4816, 5332, 6020, 6076, 6665, 6727, 7595, 7688, 8428, 8680, 9331, 9610, 10535, 10664, 12040, 12152, 13330, 13454, 15190, 15376, 16856, 17360, 18662, 19220, 21070, 21328, 24080, 24304, 26660, 26908, 30380, 33635, 33712, 37324, 38440, 41323, 42140, 46655, 47089, 53320, 53816, 60760, 65317, 67270, 74648, 76880, 82646, 84280, 93310, 94178, 106640, 107632, 121520, 130634, 134540, 149296, 165292, 168560, 186620, 188356, 206615, 235445, 261268, 269080, 289261, 326585, 330584, 373240, 376712, 413230, 470890, 522536, 538160, 578522, 653170, 661168, 746480, 753424, 826460, 941780, 1045072, 1157044, 1306340, 1446305, 1652920, 1883560, 2024827, 2314088, 2612680, 2892610, 3305840, 3767120, 4049654, 4628176, 5225360, 5785220, 8099308, 10124135, 11570440, 16198616, 20248270, 23140880, 32397232, 40496540, 80993080, 161986160]

約数ペア:

[(1, 161986160), (2, 80993080), (4, 40496540), (5, 32397232), (7, 23140880), (8, 20248270), (10, 16198616), (14, 11570440), (16, 10124135), (20, 8099308), (28, 5785220), (31, 5225360), (35, 4628176), (40, 4049654), (43, 3767120), (49, 3305840), (56, 2892610), (62, 2612680), (70, 2314088), (80, 2024827), (86, 1883560), (98, 1652920), (112, 1446305), (124, 1306340), (140, 1157044), (155, 1045072), (172, 941780), (196, 826460), (215, 753424), (217, 746480), (245, 661168), (248, 653170), (280, 578522), (301, 538160), (310, 522536), (344, 470890), (392, 413230), (430, 376712), (434, 373240), (490, 330584), (496, 326585), (560, 289261), (602, 269080), (620, 261268), (688, 235445), (784, 206615), (860, 188356), (868, 186620), (961, 168560), (980, 165292), (1085, 149296), (1204, 134540), (1240, 130634), (1333, 121520), (1505, 107632), (1519, 106640), (1720, 94178), (1736, 93310), (1922, 84280), (1960, 82646), (2107, 76880), (2170, 74648), (2408, 67270), (2480, 65317), (2666, 60760), (3010, 53816), (3038, 53320), (3440, 47089), (3472, 46655), (3844, 42140), (3920, 41323), (4214, 38440), (4340, 37324), (4805, 33712), (4816, 33635), (5332, 30380), (6020, 26908), (6076, 26660), (6665, 24304), (6727, 24080), (7595, 21328), (7688, 21070), (8428, 19220), (8680, 18662), (9331, 17360), (9610, 16856), (10535, 15376), (10664, 15190), (12040, 13454), (12152, 13330)]