65407291760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1\times {\mathrm{37321}}^1$

素因数の和:38506

約数の個数: 80

約数和(自身を含む): 160218867360

約数和(自身を除く): 94811575600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1153, 1520, 2306, 4612, 5765, 9224, 11530, 18448, 21907, 23060, 37321, 43814, 46120, 74642, 87628, 92240, 109535, 149284, 175256, 186605, 219070, 298568, 350512, 373210, 438140, 597136, 709099, 746420, 876280, 1418198, 1492840, 1752560, 2836396, 2985680, 3545495, 5672792, 7090990, 11345584, 14181980, 28363960, 43031113, 56727920, 86062226, 172124452, 215155565, 344248904, 430311130, 688497808, 817591147, 860622260, 1635182294, 1721244520, 3270364588, 3442489040, 4087955735, 6540729176, 8175911470, 13081458352, 16351822940, 32703645880, 65407291760]

約数ペア:

[(1, 65407291760), (2, 32703645880), (4, 16351822940), (5, 13081458352), (8, 8175911470), (10, 6540729176), (16, 4087955735), (19, 3442489040), (20, 3270364588), (38, 1721244520), (40, 1635182294), (76, 860622260), (80, 817591147), (95, 688497808), (152, 430311130), (190, 344248904), (304, 215155565), (380, 172124452), (760, 86062226), (1153, 56727920), (1520, 43031113), (2306, 28363960), (4612, 14181980), (5765, 11345584), (9224, 7090990), (11530, 5672792), (18448, 3545495), (21907, 2985680), (23060, 2836396), (37321, 1752560), (43814, 1492840), (46120, 1418198), (74642, 876280), (87628, 746420), (92240, 709099), (109535, 597136), (149284, 438140), (175256, 373210), (186605, 350512), (219070, 298568)]