163697920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 423843840

約数和(自身を除く): 260145920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 127, 128, 152, 160, 190, 212, 254, 256, 265, 304, 320, 380, 424, 508, 530, 608, 635, 640, 760, 848, 1007, 1016, 1060, 1216, 1270, 1280, 1520, 1696, 2014, 2032, 2120, 2413, 2432, 2540, 3040, 3392, 4028, 4064, 4240, 4826, 4864, 5035, 5080, 6080, 6731, 6784, 8056, 8128, 8480, 9652, 10070, 10160, 12065, 12160, 13462, 13568, 16112, 16256, 16960, 19304, 20140, 20320, 24130, 24320, 26924, 32224, 32512, 33655, 33920, 38608, 40280, 40640, 48260, 53848, 64448, 67310, 67840, 77216, 80560, 81280, 96520, 107696, 127889, 128896, 134620, 154432, 161120, 162560, 193040, 215392, 255778, 257792, 269240, 308864, 322240, 386080, 430784, 511556, 538480, 617728, 639445, 644480, 772160, 861568, 1023112, 1076960, 1278890, 1288960, 1544320, 1723136, 2046224, 2153920, 2557780, 3088640, 4092448, 4307840, 5115560, 8184896, 8615680, 10231120, 16369792, 20462240, 32739584, 40924480, 81848960, 163697920]

約数ペア:

[(1, 163697920), (2, 81848960), (4, 40924480), (5, 32739584), (8, 20462240), (10, 16369792), (16, 10231120), (19, 8615680), (20, 8184896), (32, 5115560), (38, 4307840), (40, 4092448), (53, 3088640), (64, 2557780), (76, 2153920), (80, 2046224), (95, 1723136), (106, 1544320), (127, 1288960), (128, 1278890), (152, 1076960), (160, 1023112), (190, 861568), (212, 772160), (254, 644480), (256, 639445), (265, 617728), (304, 538480), (320, 511556), (380, 430784), (424, 386080), (508, 322240), (530, 308864), (608, 269240), (635, 257792), (640, 255778), (760, 215392), (848, 193040), (1007, 162560), (1016, 161120), (1060, 154432), (1216, 134620), (1270, 128896), (1280, 127889), (1520, 107696), (1696, 96520), (2014, 81280), (2032, 80560), (2120, 77216), (2413, 67840), (2432, 67310), (2540, 64448), (3040, 53848), (3392, 48260), (4028, 40640), (4064, 40280), (4240, 38608), (4826, 33920), (4864, 33655), (5035, 32512), (5080, 32224), (6080, 26924), (6731, 24320), (6784, 24130), (8056, 20320), (8128, 20140), (8480, 19304), (9652, 16960), (10070, 16256), (10160, 16112), (12065, 13568), (12160, 13462)]