80618720

素因数分解:

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

素因数の和:162

約数の個数: 192

約数和(自身を含む): 241315200

約数和(自身を除く): 160696480

約数列:

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

約数ペア:

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