71389781120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{15935219}}^1$

素因数の和:15935245

約数の個数: 64

約数和(自身を含む): 195047092800

約数和(自身を除く): 123657311680

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, 15935219, 31870438, 63740876, 79676095, 111546533, 127481752, 159352190, 223093066, 254963504, 318704380, 446186132, 509927008, 557732665, 637408760, 892372264, 1019854016, 1115465330, 1274817520, 1784744528, 2039708032, 2230930660, 2549635040, 3569489056, 4461861320, 5099270080, 7138978112, 8923722640, 10198540160, 14277956224, 17847445280, 35694890560, 71389781120]

約数ペア:

[(1, 71389781120), (2, 35694890560), (4, 17847445280), (5, 14277956224), (7, 10198540160), (8, 8923722640), (10, 7138978112), (14, 5099270080), (16, 4461861320), (20, 3569489056), (28, 2549635040), (32, 2230930660), (35, 2039708032), (40, 1784744528), (56, 1274817520), (64, 1115465330), (70, 1019854016), (80, 892372264), (112, 637408760), (128, 557732665), (140, 509927008), (160, 446186132), (224, 318704380), (280, 254963504), (320, 223093066), (448, 159352190), (560, 127481752), (640, 111546533), (896, 79676095), (1120, 63740876), (2240, 31870438), (4480, 15935219)]