208398120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 256

約数和(自身を含む): 756449280

約数和(自身を除く): 548051160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 53, 56, 60, 62, 70, 84, 93, 105, 106, 120, 124, 140, 151, 155, 159, 168, 186, 210, 212, 217, 248, 265, 280, 302, 310, 318, 371, 372, 420, 424, 434, 453, 465, 530, 604, 620, 636, 651, 742, 744, 755, 795, 840, 868, 906, 930, 1057, 1060, 1085, 1113, 1208, 1240, 1272, 1302, 1484, 1510, 1590, 1643, 1736, 1812, 1855, 1860, 2114, 2120, 2170, 2226, 2265, 2604, 2968, 3020, 3171, 3180, 3255, 3286, 3624, 3710, 3720, 4228, 4340, 4452, 4530, 4681, 4929, 5208, 5285, 5565, 6040, 6342, 6360, 6510, 6572, 7420, 8003, 8215, 8456, 8680, 8904, 9060, 9362, 9858, 10570, 11130, 11501, 12684, 13020, 13144, 14043, 14840, 15855, 16006, 16430, 18120, 18724, 19716, 21140, 22260, 23002, 23405, 24009, 24645, 25368, 26040, 28086, 31710, 32012, 32767, 32860, 34503, 37448, 39432, 40015, 42280, 44520, 46004, 46810, 48018, 49290, 56021, 56172, 57505, 63420, 64024, 65534, 65720, 69006, 70215, 80030, 92008, 93620, 96036, 98301, 98580, 112042, 112344, 115010, 120045, 126840, 131068, 138012, 140430, 160060, 163835, 168063, 172515, 187240, 192072, 196602, 197160, 224084, 230020, 240090, 248093, 262136, 276024, 280105, 280860, 320120, 327670, 336126, 345030, 393204, 448168, 460040, 480180, 491505, 496186, 560210, 561720, 655340, 672252, 690060, 744279, 786408, 840315, 960360, 983010, 992372, 1120420, 1240465, 1310680, 1344504, 1380120, 1488558, 1680630, 1736651, 1966020, 1984744, 2240840, 2480930, 2977116, 3361260, 3473302, 3721395, 3932040, 4961860, 5209953, 5954232, 6722520, 6946604, 7442790, 8683255, 9923720, 10419906, 13893208, 14885580, 17366510, 20839812, 26049765, 29771160, 34733020, 41679624, 52099530, 69466040, 104199060, 208398120]

約数ペア:

[(1, 208398120), (2, 104199060), (3, 69466040), (4, 52099530), (5, 41679624), (6, 34733020), (7, 29771160), (8, 26049765), (10, 20839812), (12, 17366510), (14, 14885580), (15, 13893208), (20, 10419906), (21, 9923720), (24, 8683255), (28, 7442790), (30, 6946604), (31, 6722520), (35, 5954232), (40, 5209953), (42, 4961860), (53, 3932040), (56, 3721395), (60, 3473302), (62, 3361260), (70, 2977116), (84, 2480930), (93, 2240840), (105, 1984744), (106, 1966020), (120, 1736651), (124, 1680630), (140, 1488558), (151, 1380120), (155, 1344504), (159, 1310680), (168, 1240465), (186, 1120420), (210, 992372), (212, 983010), (217, 960360), (248, 840315), (265, 786408), (280, 744279), (302, 690060), (310, 672252), (318, 655340), (371, 561720), (372, 560210), (420, 496186), (424, 491505), (434, 480180), (453, 460040), (465, 448168), (530, 393204), (604, 345030), (620, 336126), (636, 327670), (651, 320120), (742, 280860), (744, 280105), (755, 276024), (795, 262136), (840, 248093), (868, 240090), (906, 230020), (930, 224084), (1057, 197160), (1060, 196602), (1085, 192072), (1113, 187240), (1208, 172515), (1240, 168063), (1272, 163835), (1302, 160060), (1484, 140430), (1510, 138012), (1590, 131068), (1643, 126840), (1736, 120045), (1812, 115010), (1855, 112344), (1860, 112042), (2114, 98580), (2120, 98301), (2170, 96036), (2226, 93620), (2265, 92008), (2604, 80030), (2968, 70215), (3020, 69006), (3171, 65720), (3180, 65534), (3255, 64024), (3286, 63420), (3624, 57505), (3710, 56172), (3720, 56021), (4228, 49290), (4340, 48018), (4452, 46810), (4530, 46004), (4681, 44520), (4929, 42280), (5208, 40015), (5285, 39432), (5565, 37448), (6040, 34503), (6342, 32860), (6360, 32767), (6510, 32012), (6572, 31710), (7420, 28086), (8003, 26040), (8215, 25368), (8456, 24645), (8680, 24009), (8904, 23405), (9060, 23002), (9362, 22260), (9858, 21140), (10570, 19716), (11130, 18724), (11501, 18120), (12684, 16430), (13020, 16006), (13144, 15855), (14043, 14840)]