81897600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 192

約数和(自身を含む): 284580000

約数和(自身を除く): 202682400

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, 95, 96, 100, 114, 120, 128, 150, 152, 160, 190, 192, 200, 228, 240, 285, 300, 304, 320, 380, 384, 400, 449, 456, 475, 480, 570, 600, 608, 640, 760, 800, 898, 912, 950, 960, 1140, 1200, 1216, 1347, 1425, 1520, 1600, 1796, 1824, 1900, 1920, 2245, 2280, 2400, 2432, 2694, 2850, 3040, 3200, 3592, 3648, 3800, 4490, 4560, 4800, 5388, 5700, 6080, 6735, 7184, 7296, 7600, 8531, 8980, 9120, 9600, 10776, 11225, 11400, 12160, 13470, 14368, 15200, 17062, 17960, 18240, 21552, 22450, 22800, 25593, 26940, 28736, 30400, 33675, 34124, 35920, 36480, 42655, 43104, 44900, 45600, 51186, 53880, 57472, 60800, 67350, 68248, 71840, 85310, 86208, 89800, 91200, 102372, 107760, 127965, 134700, 136496, 143680, 170620, 172416, 179600, 182400, 204744, 213275, 215520, 255930, 269400, 272992, 287360, 341240, 359200, 409488, 426550, 431040, 511860, 538800, 545984, 639825, 682480, 718400, 818976, 853100, 862080, 1023720, 1077600, 1091968, 1279650, 1364960, 1436800, 1637952, 1706200, 2047440, 2155200, 2559300, 2729920, 3275904, 3412400, 4094880, 4310400, 5118600, 5459840, 6824800, 8189760, 10237200, 13649600, 16379520, 20474400, 27299200, 40948800, 81897600]

約数ペア:

[(1, 81897600), (2, 40948800), (3, 27299200), (4, 20474400), (5, 16379520), (6, 13649600), (8, 10237200), (10, 8189760), (12, 6824800), (15, 5459840), (16, 5118600), (19, 4310400), (20, 4094880), (24, 3412400), (25, 3275904), (30, 2729920), (32, 2559300), (38, 2155200), (40, 2047440), (48, 1706200), (50, 1637952), (57, 1436800), (60, 1364960), (64, 1279650), (75, 1091968), (76, 1077600), (80, 1023720), (95, 862080), (96, 853100), (100, 818976), (114, 718400), (120, 682480), (128, 639825), (150, 545984), (152, 538800), (160, 511860), (190, 431040), (192, 426550), (200, 409488), (228, 359200), (240, 341240), (285, 287360), (300, 272992), (304, 269400), (320, 255930), (380, 215520), (384, 213275), (400, 204744), (449, 182400), (456, 179600), (475, 172416), (480, 170620), (570, 143680), (600, 136496), (608, 134700), (640, 127965), (760, 107760), (800, 102372), (898, 91200), (912, 89800), (950, 86208), (960, 85310), (1140, 71840), (1200, 68248), (1216, 67350), (1347, 60800), (1425, 57472), (1520, 53880), (1600, 51186), (1796, 45600), (1824, 44900), (1900, 43104), (1920, 42655), (2245, 36480), (2280, 35920), (2400, 34124), (2432, 33675), (2694, 30400), (2850, 28736), (3040, 26940), (3200, 25593), (3592, 22800), (3648, 22450), (3800, 21552), (4490, 18240), (4560, 17960), (4800, 17062), (5388, 15200), (5700, 14368), (6080, 13470), (6735, 12160), (7184, 11400), (7296, 11225), (7600, 10776), (8531, 9600), (8980, 9120)]