128689280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 325274940

約数和(自身を除く): 196585660

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 361, 380, 557, 608, 640, 722, 760, 1114, 1216, 1444, 1520, 1805, 2228, 2432, 2785, 2888, 3040, 3610, 4456, 5570, 5776, 6080, 7220, 8912, 10583, 11140, 11552, 12160, 14440, 17824, 21166, 22280, 23104, 28880, 35648, 42332, 44560, 46208, 52915, 57760, 71296, 84664, 89120, 105830, 115520, 169328, 178240, 201077, 211660, 231040, 338656, 356480, 402154, 423320, 677312, 804308, 846640, 1005385, 1354624, 1608616, 1693280, 2010770, 3217232, 3386560, 4021540, 6434464, 6773120, 8043080, 12868928, 16086160, 25737856, 32172320, 64344640, 128689280]

約数ペア:

[(1, 128689280), (2, 64344640), (4, 32172320), (5, 25737856), (8, 16086160), (10, 12868928), (16, 8043080), (19, 6773120), (20, 6434464), (32, 4021540), (38, 3386560), (40, 3217232), (64, 2010770), (76, 1693280), (80, 1608616), (95, 1354624), (128, 1005385), (152, 846640), (160, 804308), (190, 677312), (304, 423320), (320, 402154), (361, 356480), (380, 338656), (557, 231040), (608, 211660), (640, 201077), (722, 178240), (760, 169328), (1114, 115520), (1216, 105830), (1444, 89120), (1520, 84664), (1805, 71296), (2228, 57760), (2432, 52915), (2785, 46208), (2888, 44560), (3040, 42332), (3610, 35648), (4456, 28880), (5570, 23104), (5776, 22280), (6080, 21166), (7220, 17824), (8912, 14440), (10583, 12160), (11140, 11552)]