80907840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 168

約数和(自身を含む): 299834808

約数和(自身を除く): 218926968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2161, 2340, 2496, 2880, 3120, 3744, 4160, 4322, 4680, 6240, 6483, 7488, 8644, 9360, 10805, 12480, 12966, 17288, 18720, 19449, 21610, 25932, 28093, 32415, 34576, 37440, 38898, 43220, 51864, 56186, 64830, 69152, 77796, 84279, 86440, 97245, 103728, 112372, 129660, 138304, 140465, 155592, 168558, 172880, 194490, 207456, 224744, 252837, 259320, 280930, 311184, 337116, 345760, 388980, 414912, 421395, 449488, 505674, 518640, 561860, 622368, 674232, 691520, 777960, 842790, 898976, 1011348, 1037280, 1123720, 1244736, 1264185, 1348464, 1555920, 1685580, 1797952, 2022696, 2074560, 2247440, 2528370, 2696928, 3111840, 3371160, 4045392, 4494880, 5056740, 5393856, 6223680, 6742320, 8090784, 8989760, 10113480, 13484640, 16181568, 20226960, 26969280, 40453920, 80907840]

約数ペア:

[(1, 80907840), (2, 40453920), (3, 26969280), (4, 20226960), (5, 16181568), (6, 13484640), (8, 10113480), (9, 8989760), (10, 8090784), (12, 6742320), (13, 6223680), (15, 5393856), (16, 5056740), (18, 4494880), (20, 4045392), (24, 3371160), (26, 3111840), (30, 2696928), (32, 2528370), (36, 2247440), (39, 2074560), (40, 2022696), (45, 1797952), (48, 1685580), (52, 1555920), (60, 1348464), (64, 1264185), (65, 1244736), (72, 1123720), (78, 1037280), (80, 1011348), (90, 898976), (96, 842790), (104, 777960), (117, 691520), (120, 674232), (130, 622368), (144, 561860), (156, 518640), (160, 505674), (180, 449488), (192, 421395), (195, 414912), (208, 388980), (234, 345760), (240, 337116), (260, 311184), (288, 280930), (312, 259320), (320, 252837), (360, 224744), (390, 207456), (416, 194490), (468, 172880), (480, 168558), (520, 155592), (576, 140465), (585, 138304), (624, 129660), (720, 112372), (780, 103728), (832, 97245), (936, 86440), (960, 84279), (1040, 77796), (1170, 69152), (1248, 64830), (1440, 56186), (1560, 51864), (1872, 43220), (2080, 38898), (2161, 37440), (2340, 34576), (2496, 32415), (2880, 28093), (3120, 25932), (3744, 21610), (4160, 19449), (4322, 18720), (4680, 17288), (6240, 12966), (6483, 12480), (7488, 10805), (8644, 9360)]