140997920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 396373824

約数和(自身を除く): 255375904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 131, 140, 155, 160, 217, 224, 248, 262, 280, 310, 434, 496, 524, 560, 620, 655, 868, 917, 961, 992, 1048, 1085, 1120, 1240, 1310, 1736, 1834, 1922, 2096, 2170, 2480, 2620, 3472, 3668, 3844, 4061, 4192, 4340, 4585, 4805, 4960, 5240, 6727, 6944, 7336, 7688, 8122, 8680, 9170, 9610, 10480, 13454, 14672, 15376, 16244, 17360, 18340, 19220, 20305, 20960, 26908, 28427, 29344, 30752, 32488, 33635, 34720, 36680, 38440, 40610, 53816, 56854, 64976, 67270, 73360, 76880, 81220, 107632, 113708, 125891, 129952, 134540, 142135, 146720, 153760, 162440, 215264, 227416, 251782, 269080, 284270, 324880, 454832, 503564, 538160, 568540, 629455, 649760, 881237, 909664, 1007128, 1076320, 1137080, 1258910, 1762474, 2014256, 2274160, 2517820, 3524948, 4028512, 4406185, 4548320, 5035640, 7049896, 8812370, 10071280, 14099792, 17624740, 20142560, 28199584, 35249480, 70498960, 140997920]

約数ペア:

[(1, 140997920), (2, 70498960), (4, 35249480), (5, 28199584), (7, 20142560), (8, 17624740), (10, 14099792), (14, 10071280), (16, 8812370), (20, 7049896), (28, 5035640), (31, 4548320), (32, 4406185), (35, 4028512), (40, 3524948), (56, 2517820), (62, 2274160), (70, 2014256), (80, 1762474), (112, 1258910), (124, 1137080), (131, 1076320), (140, 1007128), (155, 909664), (160, 881237), (217, 649760), (224, 629455), (248, 568540), (262, 538160), (280, 503564), (310, 454832), (434, 324880), (496, 284270), (524, 269080), (560, 251782), (620, 227416), (655, 215264), (868, 162440), (917, 153760), (961, 146720), (992, 142135), (1048, 134540), (1085, 129952), (1120, 125891), (1240, 113708), (1310, 107632), (1736, 81220), (1834, 76880), (1922, 73360), (2096, 67270), (2170, 64976), (2480, 56854), (2620, 53816), (3472, 40610), (3668, 38440), (3844, 36680), (4061, 34720), (4192, 33635), (4340, 32488), (4585, 30752), (4805, 29344), (4960, 28427), (5240, 26908), (6727, 20960), (6944, 20305), (7336, 19220), (7688, 18340), (8122, 17360), (8680, 16244), (9170, 15376), (9610, 14672), (10480, 13454)]