18744267920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{15277}}^1$

素因数の和:15617

約数の個数: 120

約数和(自身を含む): 50860889784

約数和(自身を除く): 32116621864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 313, 392, 490, 560, 626, 784, 980, 1252, 1565, 1960, 2191, 2504, 3130, 3920, 4382, 5008, 6260, 8764, 10955, 12520, 15277, 15337, 17528, 21910, 25040, 30554, 30674, 35056, 43820, 61108, 61348, 76385, 76685, 87640, 106939, 122216, 122696, 152770, 153370, 175280, 213878, 244432, 245392, 305540, 306740, 427756, 534695, 611080, 613480, 748573, 855512, 1069390, 1222160, 1226960, 1497146, 1711024, 2138780, 2994292, 3742865, 4277560, 4781701, 5988584, 7485730, 8555120, 9563402, 11977168, 14971460, 19126804, 23908505, 29942920, 33471907, 38253608, 47817010, 59885840, 66943814, 76507216, 95634020, 133887628, 167359535, 191268040, 234303349, 267775256, 334719070, 382536080, 468606698, 535550512, 669438140, 937213396, 1171516745, 1338876280, 1874426792, 2343033490, 2677752560, 3748853584, 4686066980, 9372133960, 18744267920]

約数ペア:

[(1, 18744267920), (2, 9372133960), (4, 4686066980), (5, 3748853584), (7, 2677752560), (8, 2343033490), (10, 1874426792), (14, 1338876280), (16, 1171516745), (20, 937213396), (28, 669438140), (35, 535550512), (40, 468606698), (49, 382536080), (56, 334719070), (70, 267775256), (80, 234303349), (98, 191268040), (112, 167359535), (140, 133887628), (196, 95634020), (245, 76507216), (280, 66943814), (313, 59885840), (392, 47817010), (490, 38253608), (560, 33471907), (626, 29942920), (784, 23908505), (980, 19126804), (1252, 14971460), (1565, 11977168), (1960, 9563402), (2191, 8555120), (2504, 7485730), (3130, 5988584), (3920, 4781701), (4382, 4277560), (5008, 3742865), (6260, 2994292), (8764, 2138780), (10955, 1711024), (12520, 1497146), (15277, 1226960), (15337, 1222160), (17528, 1069390), (21910, 855512), (25040, 748573), (30554, 613480), (30674, 611080), (35056, 534695), (43820, 427756), (61108, 306740), (61348, 305540), (76385, 245392), (76685, 244432), (87640, 213878), (106939, 175280), (122216, 153370), (122696, 152770)]