131453840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1229}}^1$

素因数の和:1440

約数の個数: 80

約数和(自身を含む): 351406080

約数和(自身を除く): 219952240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 382, 560, 764, 955, 1229, 1337, 1528, 1910, 2458, 2674, 3056, 3820, 4916, 5348, 6145, 6685, 7640, 8603, 9832, 10696, 12290, 13370, 15280, 17206, 19664, 21392, 24580, 26740, 34412, 43015, 49160, 53480, 68824, 86030, 98320, 106960, 137648, 172060, 234739, 344120, 469478, 688240, 938956, 1173695, 1643173, 1877912, 2347390, 3286346, 3755824, 4694780, 6572692, 8215865, 9389560, 13145384, 16431730, 18779120, 26290768, 32863460, 65726920, 131453840]

約数ペア:

[(1, 131453840), (2, 65726920), (4, 32863460), (5, 26290768), (7, 18779120), (8, 16431730), (10, 13145384), (14, 9389560), (16, 8215865), (20, 6572692), (28, 4694780), (35, 3755824), (40, 3286346), (56, 2347390), (70, 1877912), (80, 1643173), (112, 1173695), (140, 938956), (191, 688240), (280, 469478), (382, 344120), (560, 234739), (764, 172060), (955, 137648), (1229, 106960), (1337, 98320), (1528, 86030), (1910, 68824), (2458, 53480), (2674, 49160), (3056, 43015), (3820, 34412), (4916, 26740), (5348, 24580), (6145, 21392), (6685, 19664), (7640, 17206), (8603, 15280), (9832, 13370), (10696, 12290)]