217861280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1151}}^1$

素因数の和:1199

約数の個数: 144

約数和(自身を含む): 637507584

約数和(自身を除く): 419646304

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 728, 845, 910, 1040, 1120, 1151, 1183, 1352, 1456, 1690, 1820, 2080, 2302, 2366, 2704, 2912, 3380, 3640, 4604, 4732, 5408, 5755, 5915, 6760, 7280, 8057, 9208, 9464, 11510, 11830, 13520, 14560, 14963, 16114, 18416, 18928, 23020, 23660, 27040, 29926, 32228, 36832, 37856, 40285, 46040, 47320, 59852, 64456, 74815, 80570, 92080, 94640, 104741, 119704, 128912, 149630, 161140, 184160, 189280, 194519, 209482, 239408, 257824, 299260, 322280, 389038, 418964, 478816, 523705, 598520, 644560, 778076, 837928, 972595, 1047410, 1197040, 1289120, 1361633, 1556152, 1675856, 1945190, 2094820, 2394080, 2723266, 3112304, 3351712, 3890380, 4189640, 5446532, 6224608, 6808165, 7780760, 8379280, 10893064, 13616330, 15561520, 16758560, 21786128, 27232660, 31123040, 43572256, 54465320, 108930640, 217861280]

約数ペア:

[(1, 217861280), (2, 108930640), (4, 54465320), (5, 43572256), (7, 31123040), (8, 27232660), (10, 21786128), (13, 16758560), (14, 15561520), (16, 13616330), (20, 10893064), (26, 8379280), (28, 7780760), (32, 6808165), (35, 6224608), (40, 5446532), (52, 4189640), (56, 3890380), (65, 3351712), (70, 3112304), (80, 2723266), (91, 2394080), (104, 2094820), (112, 1945190), (130, 1675856), (140, 1556152), (160, 1361633), (169, 1289120), (182, 1197040), (208, 1047410), (224, 972595), (260, 837928), (280, 778076), (338, 644560), (364, 598520), (416, 523705), (455, 478816), (520, 418964), (560, 389038), (676, 322280), (728, 299260), (845, 257824), (910, 239408), (1040, 209482), (1120, 194519), (1151, 189280), (1183, 184160), (1352, 161140), (1456, 149630), (1690, 128912), (1820, 119704), (2080, 104741), (2302, 94640), (2366, 92080), (2704, 80570), (2912, 74815), (3380, 64456), (3640, 59852), (4604, 47320), (4732, 46040), (5408, 40285), (5755, 37856), (5915, 36832), (6760, 32228), (7280, 29926), (8057, 27040), (9208, 23660), (9464, 23020), (11510, 18928), (11830, 18416), (13520, 16114), (14560, 14963)]