156897520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2557}}^1$

素因数の和:2642

約数の個数: 80

約数和(自身を含む): 399661920

約数和(自身を除く): 242764400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 2557, 3068, 3835, 4720, 5114, 6136, 7670, 10228, 12272, 12785, 15340, 20456, 25570, 30680, 33241, 40912, 51140, 61360, 66482, 102280, 132964, 150863, 166205, 204560, 265928, 301726, 332410, 531856, 603452, 664820, 754315, 1206904, 1329640, 1508630, 1961219, 2413808, 2659280, 3017260, 3922438, 6034520, 7844876, 9806095, 12069040, 15689752, 19612190, 31379504, 39224380, 78448760, 156897520]

約数ペア:

[(1, 156897520), (2, 78448760), (4, 39224380), (5, 31379504), (8, 19612190), (10, 15689752), (13, 12069040), (16, 9806095), (20, 7844876), (26, 6034520), (40, 3922438), (52, 3017260), (59, 2659280), (65, 2413808), (80, 1961219), (104, 1508630), (118, 1329640), (130, 1206904), (208, 754315), (236, 664820), (260, 603452), (295, 531856), (472, 332410), (520, 301726), (590, 265928), (767, 204560), (944, 166205), (1040, 150863), (1180, 132964), (1534, 102280), (2360, 66482), (2557, 61360), (3068, 51140), (3835, 40912), (4720, 33241), (5114, 30680), (6136, 25570), (7670, 20456), (10228, 15340), (12272, 12785)]