171876320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2033

約数の個数: 144

約数和(自身を含む): 515552688

約数和(自身を除く): 343676368

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 1993, 2156, 2464, 2695, 3080, 3920, 3986, 4312, 5390, 6160, 7840, 7972, 8624, 9965, 10780, 12320, 13951, 15944, 17248, 19930, 21560, 21923, 27902, 31888, 39860, 43120, 43846, 55804, 63776, 69755, 79720, 86240, 87692, 97657, 109615, 111608, 139510, 153461, 159440, 175384, 195314, 219230, 223216, 279020, 306922, 318880, 350768, 390628, 438460, 446432, 488285, 558040, 613844, 701536, 767305, 781256, 876920, 976570, 1074227, 1116080, 1227688, 1534610, 1562512, 1753840, 1953140, 2148454, 2232160, 2455376, 3069220, 3125024, 3507680, 3906280, 4296908, 4910752, 5371135, 6138440, 7812560, 8593816, 10742270, 12276880, 15625120, 17187632, 21484540, 24553760, 34375264, 42969080, 85938160, 171876320]

約数ペア:

[(1, 171876320), (2, 85938160), (4, 42969080), (5, 34375264), (7, 24553760), (8, 21484540), (10, 17187632), (11, 15625120), (14, 12276880), (16, 10742270), (20, 8593816), (22, 7812560), (28, 6138440), (32, 5371135), (35, 4910752), (40, 4296908), (44, 3906280), (49, 3507680), (55, 3125024), (56, 3069220), (70, 2455376), (77, 2232160), (80, 2148454), (88, 1953140), (98, 1753840), (110, 1562512), (112, 1534610), (140, 1227688), (154, 1116080), (160, 1074227), (176, 976570), (196, 876920), (220, 781256), (224, 767305), (245, 701536), (280, 613844), (308, 558040), (352, 488285), (385, 446432), (392, 438460), (440, 390628), (490, 350768), (539, 318880), (560, 306922), (616, 279020), (770, 223216), (784, 219230), (880, 195314), (980, 175384), (1078, 159440), (1120, 153461), (1232, 139510), (1540, 111608), (1568, 109615), (1760, 97657), (1960, 87692), (1993, 86240), (2156, 79720), (2464, 69755), (2695, 63776), (3080, 55804), (3920, 43846), (3986, 43120), (4312, 39860), (5390, 31888), (6160, 27902), (7840, 21923), (7972, 21560), (8624, 19930), (9965, 17248), (10780, 15944), (12320, 13951)]