316647920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5081}}^1$

素因数の和:5154

約数の個数: 80

約数和(自身を含む): 794011680

約数和(自身を除く): 477363760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3895, 5081, 6232, 7790, 10162, 12464, 15580, 20324, 25405, 31160, 40648, 50810, 62320, 81296, 96539, 101620, 193078, 203240, 208321, 386156, 406480, 416642, 482695, 772312, 833284, 965390, 1041605, 1544624, 1666568, 1930780, 2083210, 3333136, 3861560, 3958099, 4166420, 7723120, 7916198, 8332840, 15832396, 16665680, 19790495, 31664792, 39580990, 63329584, 79161980, 158323960, 316647920]

約数ペア:

[(1, 316647920), (2, 158323960), (4, 79161980), (5, 63329584), (8, 39580990), (10, 31664792), (16, 19790495), (19, 16665680), (20, 15832396), (38, 8332840), (40, 7916198), (41, 7723120), (76, 4166420), (80, 3958099), (82, 3861560), (95, 3333136), (152, 2083210), (164, 1930780), (190, 1666568), (205, 1544624), (304, 1041605), (328, 965390), (380, 833284), (410, 772312), (656, 482695), (760, 416642), (779, 406480), (820, 386156), (1520, 208321), (1558, 203240), (1640, 193078), (3116, 101620), (3280, 96539), (3895, 81296), (5081, 62320), (6232, 50810), (7790, 40648), (10162, 31160), (12464, 25405), (15580, 20324)]