66212720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 160

約数和(自身を含む): 190464000

約数和(自身を除く): 124251280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 127, 133, 140, 152, 190, 196, 245, 254, 266, 280, 304, 343, 380, 392, 490, 508, 532, 560, 635, 665, 686, 760, 784, 889, 931, 980, 1016, 1064, 1270, 1330, 1372, 1520, 1715, 1778, 1862, 1960, 2032, 2128, 2413, 2540, 2660, 2744, 3430, 3556, 3724, 3920, 4445, 4655, 4826, 5080, 5320, 5488, 6223, 6517, 6860, 7112, 7448, 8890, 9310, 9652, 10160, 10640, 12065, 12446, 13034, 13720, 14224, 14896, 16891, 17780, 18620, 19304, 24130, 24892, 26068, 27440, 31115, 32585, 33782, 35560, 37240, 38608, 43561, 48260, 49784, 52136, 62230, 65170, 67564, 71120, 74480, 84455, 87122, 96520, 99568, 104272, 118237, 124460, 130340, 135128, 168910, 174244, 193040, 217805, 236474, 248920, 260680, 270256, 337820, 348488, 435610, 472948, 497840, 521360, 591185, 675640, 696976, 827659, 871220, 945896, 1182370, 1351280, 1655318, 1742440, 1891792, 2364740, 3310636, 3484880, 4138295, 4729480, 6621272, 8276590, 9458960, 13242544, 16553180, 33106360, 66212720]

約数ペア:

[(1, 66212720), (2, 33106360), (4, 16553180), (5, 13242544), (7, 9458960), (8, 8276590), (10, 6621272), (14, 4729480), (16, 4138295), (19, 3484880), (20, 3310636), (28, 2364740), (35, 1891792), (38, 1742440), (40, 1655318), (49, 1351280), (56, 1182370), (70, 945896), (76, 871220), (80, 827659), (95, 696976), (98, 675640), (112, 591185), (127, 521360), (133, 497840), (140, 472948), (152, 435610), (190, 348488), (196, 337820), (245, 270256), (254, 260680), (266, 248920), (280, 236474), (304, 217805), (343, 193040), (380, 174244), (392, 168910), (490, 135128), (508, 130340), (532, 124460), (560, 118237), (635, 104272), (665, 99568), (686, 96520), (760, 87122), (784, 84455), (889, 74480), (931, 71120), (980, 67564), (1016, 65170), (1064, 62230), (1270, 52136), (1330, 49784), (1372, 48260), (1520, 43561), (1715, 38608), (1778, 37240), (1862, 35560), (1960, 33782), (2032, 32585), (2128, 31115), (2413, 27440), (2540, 26068), (2660, 24892), (2744, 24130), (3430, 19304), (3556, 18620), (3724, 17780), (3920, 16891), (4445, 14896), (4655, 14224), (4826, 13720), (5080, 13034), (5320, 12446), (5488, 12065), (6223, 10640), (6517, 10160), (6860, 9652), (7112, 9310), (7448, 8890)]