19651200

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 68299200

約数和(自身を除く): 48648000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 89, 92, 96, 100, 115, 120, 128, 138, 150, 160, 178, 184, 192, 200, 230, 240, 267, 276, 300, 320, 345, 356, 368, 384, 400, 445, 460, 480, 534, 552, 575, 600, 640, 690, 712, 736, 800, 890, 920, 960, 1068, 1104, 1150, 1200, 1335, 1380, 1424, 1472, 1600, 1725, 1780, 1840, 1920, 2047, 2136, 2208, 2225, 2300, 2400, 2670, 2760, 2848, 2944, 3200, 3450, 3560, 3680, 4094, 4272, 4416, 4450, 4600, 4800, 5340, 5520, 5696, 6141, 6675, 6900, 7120, 7360, 8188, 8544, 8832, 8900, 9200, 9600, 10235, 10680, 11040, 11392, 12282, 13350, 13800, 14240, 14720, 16376, 17088, 17800, 18400, 20470, 21360, 22080, 24564, 26700, 27600, 28480, 30705, 32752, 34176, 35600, 36800, 40940, 42720, 44160, 49128, 51175, 53400, 55200, 56960, 61410, 65504, 71200, 73600, 81880, 85440, 98256, 102350, 106800, 110400, 122820, 131008, 142400, 153525, 163760, 170880, 196512, 204700, 213600, 220800, 245640, 262016, 284800, 307050, 327520, 393024, 409400, 427200, 491280, 614100, 655040, 786048, 818800, 854400, 982560, 1228200, 1310080, 1637600, 1965120, 2456400, 3275200, 3930240, 4912800, 6550400, 9825600, 19651200]

約数ペア:

[(1, 19651200), (2, 9825600), (3, 6550400), (4, 4912800), (5, 3930240), (6, 3275200), (8, 2456400), (10, 1965120), (12, 1637600), (15, 1310080), (16, 1228200), (20, 982560), (23, 854400), (24, 818800), (25, 786048), (30, 655040), (32, 614100), (40, 491280), (46, 427200), (48, 409400), (50, 393024), (60, 327520), (64, 307050), (69, 284800), (75, 262016), (80, 245640), (89, 220800), (92, 213600), (96, 204700), (100, 196512), (115, 170880), (120, 163760), (128, 153525), (138, 142400), (150, 131008), (160, 122820), (178, 110400), (184, 106800), (192, 102350), (200, 98256), (230, 85440), (240, 81880), (267, 73600), (276, 71200), (300, 65504), (320, 61410), (345, 56960), (356, 55200), (368, 53400), (384, 51175), (400, 49128), (445, 44160), (460, 42720), (480, 40940), (534, 36800), (552, 35600), (575, 34176), (600, 32752), (640, 30705), (690, 28480), (712, 27600), (736, 26700), (800, 24564), (890, 22080), (920, 21360), (960, 20470), (1068, 18400), (1104, 17800), (1150, 17088), (1200, 16376), (1335, 14720), (1380, 14240), (1424, 13800), (1472, 13350), (1600, 12282), (1725, 11392), (1780, 11040), (1840, 10680), (1920, 10235), (2047, 9600), (2136, 9200), (2208, 8900), (2225, 8832), (2300, 8544), (2400, 8188), (2670, 7360), (2760, 7120), (2848, 6900), (2944, 6675), (3200, 6141), (3450, 5696), (3560, 5520), (3680, 5340), (4094, 4800), (4272, 4600), (4416, 4450)]