81420480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1703

約数の個数: 168

約数和(自身を含む): 296704512

約数和(自身を除く): 215284032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1360, 1440, 1530, 1632, 1663, 2040, 2448, 2720, 2880, 3060, 3264, 3326, 4080, 4896, 4989, 5440, 6120, 6652, 8160, 8315, 9792, 9978, 12240, 13304, 14967, 16320, 16630, 19956, 24480, 24945, 26608, 28271, 29934, 33260, 39912, 48960, 49890, 53216, 56542, 59868, 66520, 74835, 79824, 84813, 99780, 106432, 113084, 119736, 133040, 141355, 149670, 159648, 169626, 199560, 226168, 239472, 254439, 266080, 282710, 299340, 319296, 339252, 399120, 424065, 452336, 478944, 508878, 532160, 565420, 598680, 678504, 798240, 848130, 904672, 957888, 1017756, 1130840, 1197360, 1272195, 1357008, 1596480, 1696260, 1809344, 2035512, 2261680, 2394720, 2544390, 2714016, 3392520, 4071024, 4523360, 4789440, 5088780, 5428032, 6785040, 8142048, 9046720, 10177560, 13570080, 16284096, 20355120, 27140160, 40710240, 81420480]

約数ペア:

[(1, 81420480), (2, 40710240), (3, 27140160), (4, 20355120), (5, 16284096), (6, 13570080), (8, 10177560), (9, 9046720), (10, 8142048), (12, 6785040), (15, 5428032), (16, 5088780), (17, 4789440), (18, 4523360), (20, 4071024), (24, 3392520), (30, 2714016), (32, 2544390), (34, 2394720), (36, 2261680), (40, 2035512), (45, 1809344), (48, 1696260), (51, 1596480), (60, 1357008), (64, 1272195), (68, 1197360), (72, 1130840), (80, 1017756), (85, 957888), (90, 904672), (96, 848130), (102, 798240), (120, 678504), (136, 598680), (144, 565420), (153, 532160), (160, 508878), (170, 478944), (180, 452336), (192, 424065), (204, 399120), (240, 339252), (255, 319296), (272, 299340), (288, 282710), (306, 266080), (320, 254439), (340, 239472), (360, 226168), (408, 199560), (480, 169626), (510, 159648), (544, 149670), (576, 141355), (612, 133040), (680, 119736), (720, 113084), (765, 106432), (816, 99780), (960, 84813), (1020, 79824), (1088, 74835), (1224, 66520), (1360, 59868), (1440, 56542), (1530, 53216), (1632, 49890), (1663, 48960), (2040, 39912), (2448, 33260), (2720, 29934), (2880, 28271), (3060, 26608), (3264, 24945), (3326, 24480), (4080, 19956), (4896, 16630), (4989, 16320), (5440, 14967), (6120, 13304), (6652, 12240), (8160, 9978), (8315, 9792)]