87877280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 221175360

約数和(自身を除く): 133298080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 137, 152, 160, 190, 211, 274, 304, 380, 422, 548, 608, 685, 760, 844, 1055, 1096, 1370, 1520, 1688, 2110, 2192, 2603, 2740, 3040, 3376, 4009, 4220, 4384, 5206, 5480, 6752, 8018, 8440, 10412, 10960, 13015, 16036, 16880, 20045, 20824, 21920, 26030, 28907, 32072, 33760, 40090, 41648, 52060, 57814, 64144, 80180, 83296, 104120, 115628, 128288, 144535, 160360, 208240, 231256, 289070, 320720, 416480, 462512, 549233, 578140, 641440, 925024, 1098466, 1156280, 2196932, 2312560, 2746165, 4393864, 4625120, 5492330, 8787728, 10984660, 17575456, 21969320, 43938640, 87877280]

約数ペア:

[(1, 87877280), (2, 43938640), (4, 21969320), (5, 17575456), (8, 10984660), (10, 8787728), (16, 5492330), (19, 4625120), (20, 4393864), (32, 2746165), (38, 2312560), (40, 2196932), (76, 1156280), (80, 1098466), (95, 925024), (137, 641440), (152, 578140), (160, 549233), (190, 462512), (211, 416480), (274, 320720), (304, 289070), (380, 231256), (422, 208240), (548, 160360), (608, 144535), (685, 128288), (760, 115628), (844, 104120), (1055, 83296), (1096, 80180), (1370, 64144), (1520, 57814), (1688, 52060), (2110, 41648), (2192, 40090), (2603, 33760), (2740, 32072), (3040, 28907), (3376, 26030), (4009, 21920), (4220, 20824), (4384, 20045), (5206, 16880), (5480, 16036), (6752, 13015), (8018, 10960), (8440, 10412)]