129216640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{28843}}^1$

素因数の和:28869

約数の個数: 64

約数和(自身を含む): 353050560

約数和(自身を除く): 223833920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 28843, 57686, 115372, 144215, 201901, 230744, 288430, 403802, 461488, 576860, 807604, 922976, 1009505, 1153720, 1615208, 1845952, 2019010, 2307440, 3230416, 3691904, 4038020, 4614880, 6460832, 8076040, 9229760, 12921664, 16152080, 18459520, 25843328, 32304160, 64608320, 129216640]

約数ペア:

[(1, 129216640), (2, 64608320), (4, 32304160), (5, 25843328), (7, 18459520), (8, 16152080), (10, 12921664), (14, 9229760), (16, 8076040), (20, 6460832), (28, 4614880), (32, 4038020), (35, 3691904), (40, 3230416), (56, 2307440), (64, 2019010), (70, 1845952), (80, 1615208), (112, 1153720), (128, 1009505), (140, 922976), (160, 807604), (224, 576860), (280, 461488), (320, 403802), (448, 288430), (560, 230744), (640, 201901), (896, 144215), (1120, 115372), (2240, 57686), (4480, 28843)]