256648320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2663

約数の個数: 192

約数和(自身を含む): 938728440

約数和(自身を除く): 682080120

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, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 816, 960, 1020, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2448, 2621, 2720, 2880, 3060, 3264, 4080, 4896, 5242, 5440, 5760, 6120, 6528, 7863, 8160, 9792, 10484, 10880, 12240, 13105, 15726, 16320, 19584, 20968, 23589, 24480, 26210, 31452, 32640, 39315, 41936, 44557, 47178, 48960, 52420, 62904, 78630, 83872, 89114, 94356, 97920, 104840, 117945, 125808, 133671, 157260, 167744, 178228, 188712, 209680, 222785, 235890, 251616, 267342, 314520, 335488, 356456, 377424, 401013, 419360, 445570, 471780, 503232, 534684, 629040, 668355, 712912, 754848, 802026, 838720, 891140, 943560, 1006464, 1069368, 1258080, 1336710, 1425824, 1509696, 1604052, 1677440, 1782280, 1887120, 2005065, 2138736, 2516160, 2673420, 2851648, 3019392, 3208104, 3564560, 3774240, 4010130, 4277472, 5032320, 5346840, 5703296, 6416208, 7129120, 7548480, 8020260, 8554944, 10693680, 12832416, 14258240, 15096960, 16040520, 17109888, 21387360, 25664832, 28516480, 32081040, 42774720, 51329664, 64162080, 85549440, 128324160, 256648320]

約数ペア:

[(1, 256648320), (2, 128324160), (3, 85549440), (4, 64162080), (5, 51329664), (6, 42774720), (8, 32081040), (9, 28516480), (10, 25664832), (12, 21387360), (15, 17109888), (16, 16040520), (17, 15096960), (18, 14258240), (20, 12832416), (24, 10693680), (30, 8554944), (32, 8020260), (34, 7548480), (36, 7129120), (40, 6416208), (45, 5703296), (48, 5346840), (51, 5032320), (60, 4277472), (64, 4010130), (68, 3774240), (72, 3564560), (80, 3208104), (85, 3019392), (90, 2851648), (96, 2673420), (102, 2516160), (120, 2138736), (128, 2005065), (136, 1887120), (144, 1782280), (153, 1677440), (160, 1604052), (170, 1509696), (180, 1425824), (192, 1336710), (204, 1258080), (240, 1069368), (255, 1006464), (272, 943560), (288, 891140), (306, 838720), (320, 802026), (340, 754848), (360, 712912), (384, 668355), (408, 629040), (480, 534684), (510, 503232), (544, 471780), (576, 445570), (612, 419360), (640, 401013), (680, 377424), (720, 356456), (765, 335488), (816, 314520), (960, 267342), (1020, 251616), (1088, 235890), (1152, 222785), (1224, 209680), (1360, 188712), (1440, 178228), (1530, 167744), (1632, 157260), (1920, 133671), (2040, 125808), (2176, 117945), (2448, 104840), (2621, 97920), (2720, 94356), (2880, 89114), (3060, 83872), (3264, 78630), (4080, 62904), (4896, 52420), (5242, 48960), (5440, 47178), (5760, 44557), (6120, 41936), (6528, 39315), (7863, 32640), (8160, 31452), (9792, 26210), (10484, 24480), (10880, 23589), (12240, 20968), (13105, 19584), (15726, 16320)]