161237440

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 224

約数和(自身を含む): 486460800

約数和(自身を除く): 325223360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 113, 130, 140, 160, 182, 196, 208, 224, 226, 245, 260, 280, 320, 343, 364, 392, 416, 448, 452, 455, 490, 520, 560, 565, 637, 686, 728, 784, 791, 832, 904, 910, 980, 1040, 1120, 1130, 1274, 1372, 1456, 1469, 1568, 1582, 1715, 1808, 1820, 1960, 2080, 2240, 2260, 2548, 2744, 2912, 2938, 3136, 3164, 3185, 3430, 3616, 3640, 3920, 3955, 4160, 4459, 4520, 5096, 5488, 5537, 5824, 5876, 6328, 6370, 6860, 7232, 7280, 7345, 7840, 7910, 8918, 9040, 10192, 10283, 10976, 11074, 11752, 12656, 12740, 13720, 14560, 14690, 15680, 15820, 17836, 18080, 20384, 20566, 21952, 22148, 22295, 23504, 25312, 25480, 27440, 27685, 29120, 29380, 31640, 35672, 36160, 38759, 40768, 41132, 44296, 44590, 47008, 50624, 50960, 51415, 54880, 55370, 58760, 63280, 71344, 71981, 77518, 82264, 88592, 89180, 94016, 101920, 102830, 109760, 110740, 117520, 126560, 142688, 143962, 155036, 164528, 177184, 178360, 193795, 203840, 205660, 221480, 235040, 253120, 285376, 287924, 310072, 329056, 354368, 356720, 359905, 387590, 411320, 442960, 470080, 503867, 575848, 620144, 658112, 713440, 719810, 775180, 822640, 885920, 1007734, 1151696, 1240288, 1426880, 1439620, 1550360, 1645280, 1771840, 2015468, 2303392, 2480576, 2519335, 2879240, 3100720, 3290560, 4030936, 4606784, 5038670, 5758480, 6201440, 8061872, 10077340, 11516960, 12402880, 16123744, 20154680, 23033920, 32247488, 40309360, 80618720, 161237440]

約数ペア:

[(1, 161237440), (2, 80618720), (4, 40309360), (5, 32247488), (7, 23033920), (8, 20154680), (10, 16123744), (13, 12402880), (14, 11516960), (16, 10077340), (20, 8061872), (26, 6201440), (28, 5758480), (32, 5038670), (35, 4606784), (40, 4030936), (49, 3290560), (52, 3100720), (56, 2879240), (64, 2519335), (65, 2480576), (70, 2303392), (80, 2015468), (91, 1771840), (98, 1645280), (104, 1550360), (112, 1439620), (113, 1426880), (130, 1240288), (140, 1151696), (160, 1007734), (182, 885920), (196, 822640), (208, 775180), (224, 719810), (226, 713440), (245, 658112), (260, 620144), (280, 575848), (320, 503867), (343, 470080), (364, 442960), (392, 411320), (416, 387590), (448, 359905), (452, 356720), (455, 354368), (490, 329056), (520, 310072), (560, 287924), (565, 285376), (637, 253120), (686, 235040), (728, 221480), (784, 205660), (791, 203840), (832, 193795), (904, 178360), (910, 177184), (980, 164528), (1040, 155036), (1120, 143962), (1130, 142688), (1274, 126560), (1372, 117520), (1456, 110740), (1469, 109760), (1568, 102830), (1582, 101920), (1715, 94016), (1808, 89180), (1820, 88592), (1960, 82264), (2080, 77518), (2240, 71981), (2260, 71344), (2548, 63280), (2744, 58760), (2912, 55370), (2938, 54880), (3136, 51415), (3164, 50960), (3185, 50624), (3430, 47008), (3616, 44590), (3640, 44296), (3920, 41132), (3955, 40768), (4160, 38759), (4459, 36160), (4520, 35672), (5096, 31640), (5488, 29380), (5537, 29120), (5824, 27685), (5876, 27440), (6328, 25480), (6370, 25312), (6860, 23504), (7232, 22295), (7280, 22148), (7345, 21952), (7840, 20566), (7910, 20384), (8918, 18080), (9040, 17836), (10192, 15820), (10283, 15680), (10976, 14690), (11074, 14560), (11752, 13720), (12656, 12740)]