81168000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 256

約数和(自身を含む): 286416000

約数和(自身を除く): 205248000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 64, 75, 76, 80, 89, 95, 96, 100, 114, 120, 125, 128, 150, 152, 160, 178, 190, 192, 200, 228, 240, 250, 267, 285, 300, 304, 320, 356, 375, 380, 384, 400, 445, 456, 475, 480, 500, 534, 570, 600, 608, 640, 712, 750, 760, 800, 890, 912, 950, 960, 1000, 1068, 1140, 1200, 1216, 1335, 1424, 1425, 1500, 1520, 1600, 1691, 1780, 1824, 1900, 1920, 2000, 2136, 2225, 2280, 2375, 2400, 2432, 2670, 2848, 2850, 3000, 3040, 3200, 3382, 3560, 3648, 3800, 4000, 4272, 4450, 4560, 4750, 4800, 5073, 5340, 5696, 5700, 6000, 6080, 6675, 6764, 7120, 7125, 7296, 7600, 8000, 8455, 8544, 8900, 9120, 9500, 9600, 10146, 10680, 11125, 11392, 11400, 12000, 12160, 13350, 13528, 14240, 14250, 15200, 16000, 16910, 17088, 17800, 18240, 19000, 20292, 21360, 22250, 22800, 24000, 25365, 26700, 27056, 28480, 28500, 30400, 33375, 33820, 34176, 35600, 36480, 38000, 40584, 42275, 42720, 44500, 45600, 48000, 50730, 53400, 54112, 56960, 57000, 60800, 66750, 67640, 71200, 76000, 81168, 84550, 85440, 89000, 91200, 101460, 106800, 108224, 114000, 126825, 133500, 135280, 142400, 152000, 162336, 169100, 170880, 178000, 182400, 202920, 211375, 213600, 216448, 228000, 253650, 267000, 270560, 284800, 304000, 324672, 338200, 356000, 405840, 422750, 427200, 456000, 507300, 534000, 541120, 634125, 649344, 676400, 712000, 811680, 845500, 854400, 912000, 1014600, 1068000, 1082240, 1268250, 1352800, 1424000, 1623360, 1691000, 2029200, 2136000, 2536500, 2705600, 3246720, 3382000, 4058400, 4272000, 5073000, 5411200, 6764000, 8116800, 10146000, 13528000, 16233600, 20292000, 27056000, 40584000, 81168000]

約数ペア:

[(1, 81168000), (2, 40584000), (3, 27056000), (4, 20292000), (5, 16233600), (6, 13528000), (8, 10146000), (10, 8116800), (12, 6764000), (15, 5411200), (16, 5073000), (19, 4272000), (20, 4058400), (24, 3382000), (25, 3246720), (30, 2705600), (32, 2536500), (38, 2136000), (40, 2029200), (48, 1691000), (50, 1623360), (57, 1424000), (60, 1352800), (64, 1268250), (75, 1082240), (76, 1068000), (80, 1014600), (89, 912000), (95, 854400), (96, 845500), (100, 811680), (114, 712000), (120, 676400), (125, 649344), (128, 634125), (150, 541120), (152, 534000), (160, 507300), (178, 456000), (190, 427200), (192, 422750), (200, 405840), (228, 356000), (240, 338200), (250, 324672), (267, 304000), (285, 284800), (300, 270560), (304, 267000), (320, 253650), (356, 228000), (375, 216448), (380, 213600), (384, 211375), (400, 202920), (445, 182400), (456, 178000), (475, 170880), (480, 169100), (500, 162336), (534, 152000), (570, 142400), (600, 135280), (608, 133500), (640, 126825), (712, 114000), (750, 108224), (760, 106800), (800, 101460), (890, 91200), (912, 89000), (950, 85440), (960, 84550), (1000, 81168), (1068, 76000), (1140, 71200), (1200, 67640), (1216, 66750), (1335, 60800), (1424, 57000), (1425, 56960), (1500, 54112), (1520, 53400), (1600, 50730), (1691, 48000), (1780, 45600), (1824, 44500), (1900, 42720), (1920, 42275), (2000, 40584), (2136, 38000), (2225, 36480), (2280, 35600), (2375, 34176), (2400, 33820), (2432, 33375), (2670, 30400), (2848, 28500), (2850, 28480), (3000, 27056), (3040, 26700), (3200, 25365), (3382, 24000), (3560, 22800), (3648, 22250), (3800, 21360), (4000, 20292), (4272, 19000), (4450, 18240), (4560, 17800), (4750, 17088), (4800, 16910), (5073, 16000), (5340, 15200), (5696, 14250), (5700, 14240), (6000, 13528), (6080, 13350), (6675, 12160), (6764, 12000), (7120, 11400), (7125, 11392), (7296, 11125), (7600, 10680), (8000, 10146), (8455, 9600), (8544, 9500), (8900, 9120)]