18876480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^2$

素因数の和:133

約数の個数: 168

約数和(自身を含む): 69811392

約数和(自身を除く): 50934912

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, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 140, 159, 160, 168, 192, 210, 212, 224, 240, 265, 280, 318, 320, 336, 371, 420, 424, 448, 480, 530, 560, 636, 672, 742, 795, 840, 848, 960, 1060, 1113, 1120, 1272, 1344, 1484, 1590, 1680, 1696, 1855, 2120, 2226, 2240, 2544, 2809, 2968, 3180, 3360, 3392, 3710, 4240, 4452, 5088, 5565, 5618, 5936, 6360, 6720, 7420, 8427, 8480, 8904, 10176, 11130, 11236, 11872, 12720, 14045, 14840, 16854, 16960, 17808, 19663, 22260, 22472, 23744, 25440, 28090, 29680, 33708, 35616, 39326, 42135, 44520, 44944, 50880, 56180, 58989, 59360, 67416, 71232, 78652, 84270, 89040, 89888, 98315, 112360, 117978, 118720, 134832, 157304, 168540, 178080, 179776, 196630, 224720, 235956, 269664, 294945, 314608, 337080, 356160, 393260, 449440, 471912, 539328, 589890, 629216, 674160, 786520, 898880, 943824, 1179780, 1258432, 1348320, 1573040, 1887648, 2359560, 2696640, 3146080, 3775296, 4719120, 6292160, 9438240, 18876480]

約数ペア:

[(1, 18876480), (2, 9438240), (3, 6292160), (4, 4719120), (5, 3775296), (6, 3146080), (7, 2696640), (8, 2359560), (10, 1887648), (12, 1573040), (14, 1348320), (15, 1258432), (16, 1179780), (20, 943824), (21, 898880), (24, 786520), (28, 674160), (30, 629216), (32, 589890), (35, 539328), (40, 471912), (42, 449440), (48, 393260), (53, 356160), (56, 337080), (60, 314608), (64, 294945), (70, 269664), (80, 235956), (84, 224720), (96, 196630), (105, 179776), (106, 178080), (112, 168540), (120, 157304), (140, 134832), (159, 118720), (160, 117978), (168, 112360), (192, 98315), (210, 89888), (212, 89040), (224, 84270), (240, 78652), (265, 71232), (280, 67416), (318, 59360), (320, 58989), (336, 56180), (371, 50880), (420, 44944), (424, 44520), (448, 42135), (480, 39326), (530, 35616), (560, 33708), (636, 29680), (672, 28090), (742, 25440), (795, 23744), (840, 22472), (848, 22260), (960, 19663), (1060, 17808), (1113, 16960), (1120, 16854), (1272, 14840), (1344, 14045), (1484, 12720), (1590, 11872), (1680, 11236), (1696, 11130), (1855, 10176), (2120, 8904), (2226, 8480), (2240, 8427), (2544, 7420), (2809, 6720), (2968, 6360), (3180, 5936), (3360, 5618), (3392, 5565), (3710, 5088), (4240, 4452)]