19709760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{419}}^1$

素因数の和:453

約数の個数: 168

約数和(自身を含む): 72969120

約数和(自身を除く): 53259360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 419, 420, 448, 480, 490, 560, 588, 672, 735, 784, 838, 840, 960, 980, 1120, 1176, 1257, 1344, 1470, 1568, 1676, 1680, 1960, 2095, 2240, 2352, 2514, 2933, 2940, 3136, 3352, 3360, 3920, 4190, 4704, 5028, 5866, 5880, 6285, 6704, 6720, 7840, 8380, 8799, 9408, 10056, 11732, 11760, 12570, 13408, 14665, 15680, 16760, 17598, 20112, 20531, 23464, 23520, 25140, 26816, 29330, 33520, 35196, 40224, 41062, 43995, 46928, 47040, 50280, 58660, 61593, 67040, 70392, 80448, 82124, 87990, 93856, 100560, 102655, 117320, 123186, 134080, 140784, 164248, 175980, 187712, 201120, 205310, 234640, 246372, 281568, 307965, 328496, 351960, 402240, 410620, 469280, 492744, 563136, 615930, 656992, 703920, 821240, 938560, 985488, 1231860, 1313984, 1407840, 1642480, 1970976, 2463720, 2815680, 3284960, 3941952, 4927440, 6569920, 9854880, 19709760]

約数ペア:

[(1, 19709760), (2, 9854880), (3, 6569920), (4, 4927440), (5, 3941952), (6, 3284960), (7, 2815680), (8, 2463720), (10, 1970976), (12, 1642480), (14, 1407840), (15, 1313984), (16, 1231860), (20, 985488), (21, 938560), (24, 821240), (28, 703920), (30, 656992), (32, 615930), (35, 563136), (40, 492744), (42, 469280), (48, 410620), (49, 402240), (56, 351960), (60, 328496), (64, 307965), (70, 281568), (80, 246372), (84, 234640), (96, 205310), (98, 201120), (105, 187712), (112, 175980), (120, 164248), (140, 140784), (147, 134080), (160, 123186), (168, 117320), (192, 102655), (196, 100560), (210, 93856), (224, 87990), (240, 82124), (245, 80448), (280, 70392), (294, 67040), (320, 61593), (336, 58660), (392, 50280), (419, 47040), (420, 46928), (448, 43995), (480, 41062), (490, 40224), (560, 35196), (588, 33520), (672, 29330), (735, 26816), (784, 25140), (838, 23520), (840, 23464), (960, 20531), (980, 20112), (1120, 17598), (1176, 16760), (1257, 15680), (1344, 14665), (1470, 13408), (1568, 12570), (1676, 11760), (1680, 11732), (1960, 10056), (2095, 9408), (2240, 8799), (2352, 8380), (2514, 7840), (2933, 6720), (2940, 6704), (3136, 6285), (3352, 5880), (3360, 5866), (3920, 5028), (4190, 4704)]