20932800

素因数分解:

$2^6\times 3^1\times 5^2\times 7^2\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 252

約数和(自身を含む): 80787240

約数和(自身を除く): 59854440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 49, 50, 56, 60, 64, 70, 75, 80, 84, 89, 96, 98, 100, 105, 112, 120, 140, 147, 150, 160, 168, 175, 178, 192, 196, 200, 210, 224, 240, 245, 267, 280, 294, 300, 320, 336, 350, 356, 392, 400, 420, 445, 448, 480, 490, 525, 534, 560, 588, 600, 623, 672, 700, 712, 735, 784, 800, 840, 890, 960, 980, 1050, 1068, 1120, 1176, 1200, 1225, 1246, 1335, 1344, 1400, 1424, 1470, 1568, 1600, 1680, 1780, 1869, 1960, 2100, 2136, 2225, 2240, 2352, 2400, 2450, 2492, 2670, 2800, 2848, 2940, 3115, 3136, 3360, 3560, 3675, 3738, 3920, 4200, 4272, 4361, 4450, 4704, 4800, 4900, 4984, 5340, 5600, 5696, 5880, 6230, 6675, 6720, 7120, 7350, 7476, 7840, 8400, 8544, 8722, 8900, 9345, 9408, 9800, 9968, 10680, 11200, 11760, 12460, 13083, 13350, 14240, 14700, 14952, 15575, 15680, 16800, 17088, 17444, 17800, 18690, 19600, 19936, 21360, 21805, 23520, 24920, 26166, 26700, 28480, 29400, 29904, 31150, 33600, 34888, 35600, 37380, 39200, 39872, 42720, 43610, 46725, 47040, 49840, 52332, 53400, 58800, 59808, 62300, 65415, 69776, 71200, 74760, 78400, 85440, 87220, 93450, 99680, 104664, 106800, 109025, 117600, 119616, 124600, 130830, 139552, 142400, 149520, 174440, 186900, 199360, 209328, 213600, 218050, 235200, 249200, 261660, 279104, 299040, 327075, 348880, 373800, 418656, 427200, 436100, 498400, 523320, 598080, 654150, 697760, 747600, 837312, 872200, 996800, 1046640, 1308300, 1395520, 1495200, 1744400, 2093280, 2616600, 2990400, 3488800, 4186560, 5233200, 6977600, 10466400, 20932800]

約数ペア:

[(1, 20932800), (2, 10466400), (3, 6977600), (4, 5233200), (5, 4186560), (6, 3488800), (7, 2990400), (8, 2616600), (10, 2093280), (12, 1744400), (14, 1495200), (15, 1395520), (16, 1308300), (20, 1046640), (21, 996800), (24, 872200), (25, 837312), (28, 747600), (30, 697760), (32, 654150), (35, 598080), (40, 523320), (42, 498400), (48, 436100), (49, 427200), (50, 418656), (56, 373800), (60, 348880), (64, 327075), (70, 299040), (75, 279104), (80, 261660), (84, 249200), (89, 235200), (96, 218050), (98, 213600), (100, 209328), (105, 199360), (112, 186900), (120, 174440), (140, 149520), (147, 142400), (150, 139552), (160, 130830), (168, 124600), (175, 119616), (178, 117600), (192, 109025), (196, 106800), (200, 104664), (210, 99680), (224, 93450), (240, 87220), (245, 85440), (267, 78400), (280, 74760), (294, 71200), (300, 69776), (320, 65415), (336, 62300), (350, 59808), (356, 58800), (392, 53400), (400, 52332), (420, 49840), (445, 47040), (448, 46725), (480, 43610), (490, 42720), (525, 39872), (534, 39200), (560, 37380), (588, 35600), (600, 34888), (623, 33600), (672, 31150), (700, 29904), (712, 29400), (735, 28480), (784, 26700), (800, 26166), (840, 24920), (890, 23520), (960, 21805), (980, 21360), (1050, 19936), (1068, 19600), (1120, 18690), (1176, 17800), (1200, 17444), (1225, 17088), (1246, 16800), (1335, 15680), (1344, 15575), (1400, 14952), (1424, 14700), (1470, 14240), (1568, 13350), (1600, 13083), (1680, 12460), (1780, 11760), (1869, 11200), (1960, 10680), (2100, 9968), (2136, 9800), (2225, 9408), (2240, 9345), (2352, 8900), (2400, 8722), (2450, 8544), (2492, 8400), (2670, 7840), (2800, 7476), (2848, 7350), (2940, 7120), (3115, 6720), (3136, 6675), (3360, 6230), (3560, 5880), (3675, 5696), (3738, 5600), (3920, 5340), (4200, 4984), (4272, 4900), (4361, 4800), (4450, 4704)]