78648960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 256

約数和(自身を含む): 283772160

約数和(自身を除く): 205123200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 104, 115, 120, 128, 130, 137, 138, 156, 160, 184, 192, 195, 208, 230, 240, 260, 274, 276, 299, 312, 320, 345, 368, 384, 390, 411, 416, 460, 480, 520, 548, 552, 598, 624, 640, 685, 690, 736, 780, 822, 832, 897, 920, 960, 1040, 1096, 1104, 1196, 1248, 1370, 1380, 1472, 1495, 1560, 1644, 1664, 1781, 1794, 1840, 1920, 2055, 2080, 2192, 2208, 2392, 2496, 2740, 2760, 2944, 2990, 3120, 3151, 3288, 3562, 3588, 3680, 4110, 4160, 4384, 4416, 4485, 4784, 4992, 5343, 5480, 5520, 5980, 6240, 6302, 6576, 7124, 7176, 7360, 8220, 8320, 8768, 8832, 8905, 8970, 9453, 9568, 10686, 10960, 11040, 11960, 12480, 12604, 13152, 14248, 14352, 14720, 15755, 16440, 17536, 17810, 17940, 18906, 19136, 21372, 21920, 22080, 23920, 24960, 25208, 26304, 26715, 28496, 28704, 31510, 32880, 35620, 35880, 37812, 38272, 40963, 42744, 43840, 44160, 47265, 47840, 50416, 52608, 53430, 56992, 57408, 63020, 65760, 71240, 71760, 75624, 81926, 85488, 87680, 94530, 95680, 100832, 106860, 113984, 114816, 122889, 126040, 131520, 142480, 143520, 151248, 163852, 170976, 189060, 191360, 201664, 204815, 213720, 227968, 245778, 252080, 263040, 284960, 287040, 302496, 327704, 341952, 378120, 403328, 409630, 427440, 491556, 504160, 569920, 574080, 604992, 614445, 655408, 683904, 756240, 819260, 854880, 983112, 1008320, 1139840, 1209984, 1228890, 1310816, 1512480, 1638520, 1709760, 1966224, 2016640, 2457780, 2621632, 3024960, 3277040, 3419520, 3932448, 4915560, 5243264, 6049920, 6554080, 7864896, 9831120, 13108160, 15729792, 19662240, 26216320, 39324480, 78648960]

約数ペア:

[(1, 78648960), (2, 39324480), (3, 26216320), (4, 19662240), (5, 15729792), (6, 13108160), (8, 9831120), (10, 7864896), (12, 6554080), (13, 6049920), (15, 5243264), (16, 4915560), (20, 3932448), (23, 3419520), (24, 3277040), (26, 3024960), (30, 2621632), (32, 2457780), (39, 2016640), (40, 1966224), (46, 1709760), (48, 1638520), (52, 1512480), (60, 1310816), (64, 1228890), (65, 1209984), (69, 1139840), (78, 1008320), (80, 983112), (92, 854880), (96, 819260), (104, 756240), (115, 683904), (120, 655408), (128, 614445), (130, 604992), (137, 574080), (138, 569920), (156, 504160), (160, 491556), (184, 427440), (192, 409630), (195, 403328), (208, 378120), (230, 341952), (240, 327704), (260, 302496), (274, 287040), (276, 284960), (299, 263040), (312, 252080), (320, 245778), (345, 227968), (368, 213720), (384, 204815), (390, 201664), (411, 191360), (416, 189060), (460, 170976), (480, 163852), (520, 151248), (548, 143520), (552, 142480), (598, 131520), (624, 126040), (640, 122889), (685, 114816), (690, 113984), (736, 106860), (780, 100832), (822, 95680), (832, 94530), (897, 87680), (920, 85488), (960, 81926), (1040, 75624), (1096, 71760), (1104, 71240), (1196, 65760), (1248, 63020), (1370, 57408), (1380, 56992), (1472, 53430), (1495, 52608), (1560, 50416), (1644, 47840), (1664, 47265), (1781, 44160), (1794, 43840), (1840, 42744), (1920, 40963), (2055, 38272), (2080, 37812), (2192, 35880), (2208, 35620), (2392, 32880), (2496, 31510), (2740, 28704), (2760, 28496), (2944, 26715), (2990, 26304), (3120, 25208), (3151, 24960), (3288, 23920), (3562, 22080), (3588, 21920), (3680, 21372), (4110, 19136), (4160, 18906), (4384, 17940), (4416, 17810), (4485, 17536), (4784, 16440), (4992, 15755), (5343, 14720), (5480, 14352), (5520, 14248), (5980, 13152), (6240, 12604), (6302, 12480), (6576, 11960), (7124, 11040), (7176, 10960), (7360, 10686), (8220, 9568), (8320, 9453), (8768, 8970), (8832, 8905)]