318613120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71119}}^1$

素因数の和:71145

約数の個数: 64

約数和(自身を含む): 870508800

約数和(自身を除く): 551895680

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, 71119, 142238, 284476, 355595, 497833, 568952, 711190, 995666, 1137904, 1422380, 1991332, 2275808, 2489165, 2844760, 3982664, 4551616, 4978330, 5689520, 7965328, 9103232, 9956660, 11379040, 15930656, 19913320, 22758080, 31861312, 39826640, 45516160, 63722624, 79653280, 159306560, 318613120]

約数ペア:

[(1, 318613120), (2, 159306560), (4, 79653280), (5, 63722624), (7, 45516160), (8, 39826640), (10, 31861312), (14, 22758080), (16, 19913320), (20, 15930656), (28, 11379040), (32, 9956660), (35, 9103232), (40, 7965328), (56, 5689520), (64, 4978330), (70, 4551616), (80, 3982664), (112, 2844760), (128, 2489165), (140, 2275808), (160, 1991332), (224, 1422380), (280, 1137904), (320, 995666), (448, 711190), (560, 568952), (640, 497833), (896, 355595), (1120, 284476), (2240, 142238), (4480, 71119)]