80395840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1932

約数の個数: 112

約数和(自身を含む): 230428800

約数和(自身を除く): 150032960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 1889, 2128, 2240, 2660, 3040, 3778, 4256, 5320, 6080, 7556, 8512, 9445, 10640, 13223, 15112, 18890, 21280, 26446, 30224, 35891, 37780, 42560, 52892, 60448, 66115, 71782, 75560, 105784, 120896, 132230, 143564, 151120, 179455, 211568, 251237, 264460, 287128, 302240, 358910, 423136, 502474, 528920, 574256, 604480, 717820, 846272, 1004948, 1057840, 1148512, 1256185, 1435640, 2009896, 2115680, 2297024, 2512370, 2871280, 4019792, 4231360, 5024740, 5742560, 8039584, 10049480, 11485120, 16079168, 20098960, 40197920, 80395840]

約数ペア:

[(1, 80395840), (2, 40197920), (4, 20098960), (5, 16079168), (7, 11485120), (8, 10049480), (10, 8039584), (14, 5742560), (16, 5024740), (19, 4231360), (20, 4019792), (28, 2871280), (32, 2512370), (35, 2297024), (38, 2115680), (40, 2009896), (56, 1435640), (64, 1256185), (70, 1148512), (76, 1057840), (80, 1004948), (95, 846272), (112, 717820), (133, 604480), (140, 574256), (152, 528920), (160, 502474), (190, 423136), (224, 358910), (266, 302240), (280, 287128), (304, 264460), (320, 251237), (380, 211568), (448, 179455), (532, 151120), (560, 143564), (608, 132230), (665, 120896), (760, 105784), (1064, 75560), (1120, 71782), (1216, 66115), (1330, 60448), (1520, 52892), (1889, 42560), (2128, 37780), (2240, 35891), (2660, 30224), (3040, 26446), (3778, 21280), (4256, 18890), (5320, 15112), (6080, 13223), (7556, 10640), (8512, 9445)]