19664640

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{569}}^1$

素因数の和:599

約数の個数: 144

約数和(自身を含む): 69904800

約数和(自身を除く): 50240160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 569, 576, 640, 720, 768, 864, 960, 1080, 1138, 1152, 1280, 1440, 1707, 1728, 1920, 2160, 2276, 2304, 2845, 2880, 3414, 3456, 3840, 4320, 4552, 5121, 5690, 5760, 6828, 6912, 8535, 8640, 9104, 10242, 11380, 11520, 13656, 15363, 17070, 17280, 18208, 20484, 22760, 25605, 27312, 30726, 34140, 34560, 36416, 40968, 45520, 51210, 54624, 61452, 68280, 72832, 76815, 81936, 91040, 102420, 109248, 122904, 136560, 145664, 153630, 163872, 182080, 204840, 218496, 245808, 273120, 307260, 327744, 364160, 409680, 436992, 491616, 546240, 614520, 655488, 728320, 819360, 983232, 1092480, 1229040, 1310976, 1638720, 1966464, 2184960, 2458080, 3277440, 3932928, 4916160, 6554880, 9832320, 19664640]

約数ペア:

[(1, 19664640), (2, 9832320), (3, 6554880), (4, 4916160), (5, 3932928), (6, 3277440), (8, 2458080), (9, 2184960), (10, 1966464), (12, 1638720), (15, 1310976), (16, 1229040), (18, 1092480), (20, 983232), (24, 819360), (27, 728320), (30, 655488), (32, 614520), (36, 546240), (40, 491616), (45, 436992), (48, 409680), (54, 364160), (60, 327744), (64, 307260), (72, 273120), (80, 245808), (90, 218496), (96, 204840), (108, 182080), (120, 163872), (128, 153630), (135, 145664), (144, 136560), (160, 122904), (180, 109248), (192, 102420), (216, 91040), (240, 81936), (256, 76815), (270, 72832), (288, 68280), (320, 61452), (360, 54624), (384, 51210), (432, 45520), (480, 40968), (540, 36416), (569, 34560), (576, 34140), (640, 30726), (720, 27312), (768, 25605), (864, 22760), (960, 20484), (1080, 18208), (1138, 17280), (1152, 17070), (1280, 15363), (1440, 13656), (1707, 11520), (1728, 11380), (1920, 10242), (2160, 9104), (2276, 8640), (2304, 8535), (2845, 6912), (2880, 6828), (3414, 5760), (3456, 5690), (3840, 5121), (4320, 4552)]