331451680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:727

約数の個数: 144

約数和(自身を含む): 925960896

約数和(自身を除く): 594509216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 160, 196, 224, 245, 268, 280, 335, 392, 469, 490, 536, 560, 631, 670, 784, 938, 980, 1072, 1120, 1262, 1340, 1568, 1876, 1960, 2144, 2345, 2524, 2680, 3155, 3283, 3752, 3920, 4417, 4690, 5048, 5360, 6310, 6566, 7504, 7840, 8834, 9380, 10096, 10720, 12620, 13132, 15008, 16415, 17668, 18760, 20192, 22085, 25240, 26264, 30919, 32830, 35336, 37520, 42277, 44170, 50480, 52528, 61838, 65660, 70672, 75040, 84554, 88340, 100960, 105056, 123676, 131320, 141344, 154595, 169108, 176680, 211385, 247352, 262640, 295939, 309190, 338216, 353360, 422770, 494704, 525280, 591878, 618380, 676432, 706720, 845540, 989408, 1183756, 1236760, 1352864, 1479695, 1691080, 2071573, 2367512, 2473520, 2959390, 3382160, 4143146, 4735024, 4947040, 5918780, 6764320, 8286292, 9470048, 10357865, 11837560, 16572584, 20715730, 23675120, 33145168, 41431460, 47350240, 66290336, 82862920, 165725840, 331451680]

約数ペア:

[(1, 331451680), (2, 165725840), (4, 82862920), (5, 66290336), (7, 47350240), (8, 41431460), (10, 33145168), (14, 23675120), (16, 20715730), (20, 16572584), (28, 11837560), (32, 10357865), (35, 9470048), (40, 8286292), (49, 6764320), (56, 5918780), (67, 4947040), (70, 4735024), (80, 4143146), (98, 3382160), (112, 2959390), (134, 2473520), (140, 2367512), (160, 2071573), (196, 1691080), (224, 1479695), (245, 1352864), (268, 1236760), (280, 1183756), (335, 989408), (392, 845540), (469, 706720), (490, 676432), (536, 618380), (560, 591878), (631, 525280), (670, 494704), (784, 422770), (938, 353360), (980, 338216), (1072, 309190), (1120, 295939), (1262, 262640), (1340, 247352), (1568, 211385), (1876, 176680), (1960, 169108), (2144, 154595), (2345, 141344), (2524, 131320), (2680, 123676), (3155, 105056), (3283, 100960), (3752, 88340), (3920, 84554), (4417, 75040), (4690, 70672), (5048, 65660), (5360, 61838), (6310, 52528), (6566, 50480), (7504, 44170), (7840, 42277), (8834, 37520), (9380, 35336), (10096, 32830), (10720, 30919), (12620, 26264), (13132, 25240), (15008, 22085), (16415, 20192), (17668, 18760)]