160405280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:946

約数の個数: 96

約数和(自身を含む): 435891456

約数和(自身を除く): 275486176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 197, 224, 280, 394, 560, 727, 788, 985, 1120, 1379, 1454, 1576, 1970, 2758, 2908, 3152, 3635, 3940, 5089, 5516, 5816, 6304, 6895, 7270, 7880, 10178, 11032, 11632, 13790, 14540, 15760, 20356, 22064, 23264, 25445, 27580, 29080, 31520, 40712, 44128, 50890, 55160, 58160, 81424, 101780, 110320, 116320, 143219, 162848, 203560, 220640, 286438, 407120, 572876, 716095, 814240, 1002533, 1145752, 1432190, 2005066, 2291504, 2864380, 4010132, 4583008, 5012665, 5728760, 8020264, 10025330, 11457520, 16040528, 20050660, 22915040, 32081056, 40101320, 80202640, 160405280]

約数ペア:

[(1, 160405280), (2, 80202640), (4, 40101320), (5, 32081056), (7, 22915040), (8, 20050660), (10, 16040528), (14, 11457520), (16, 10025330), (20, 8020264), (28, 5728760), (32, 5012665), (35, 4583008), (40, 4010132), (56, 2864380), (70, 2291504), (80, 2005066), (112, 1432190), (140, 1145752), (160, 1002533), (197, 814240), (224, 716095), (280, 572876), (394, 407120), (560, 286438), (727, 220640), (788, 203560), (985, 162848), (1120, 143219), (1379, 116320), (1454, 110320), (1576, 101780), (1970, 81424), (2758, 58160), (2908, 55160), (3152, 50890), (3635, 44128), (3940, 40712), (5089, 31520), (5516, 29080), (5816, 27580), (6304, 25445), (6895, 23264), (7270, 22064), (7880, 20356), (10178, 15760), (11032, 14540), (11632, 13790)]