81968340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 239468544

約数和(自身を除く): 157500204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 127, 155, 186, 254, 310, 347, 372, 381, 465, 508, 620, 635, 694, 762, 930, 1041, 1270, 1388, 1524, 1735, 1860, 1905, 2082, 2540, 3470, 3810, 3937, 4164, 5205, 6940, 7620, 7874, 10410, 10757, 11811, 15748, 19685, 20820, 21514, 23622, 32271, 39370, 43028, 44069, 47244, 53785, 59055, 64542, 78740, 88138, 107570, 118110, 129084, 132207, 161355, 176276, 215140, 220345, 236220, 264414, 322710, 440690, 528828, 645420, 661035, 881380, 1322070, 1366139, 2644140, 2732278, 4098417, 5464556, 6830695, 8196834, 13661390, 16393668, 20492085, 27322780, 40984170, 81968340]

約数ペア:

[(1, 81968340), (2, 40984170), (3, 27322780), (4, 20492085), (5, 16393668), (6, 13661390), (10, 8196834), (12, 6830695), (15, 5464556), (20, 4098417), (30, 2732278), (31, 2644140), (60, 1366139), (62, 1322070), (93, 881380), (124, 661035), (127, 645420), (155, 528828), (186, 440690), (254, 322710), (310, 264414), (347, 236220), (372, 220345), (381, 215140), (465, 176276), (508, 161355), (620, 132207), (635, 129084), (694, 118110), (762, 107570), (930, 88138), (1041, 78740), (1270, 64542), (1388, 59055), (1524, 53785), (1735, 47244), (1860, 44069), (1905, 43028), (2082, 39370), (2540, 32271), (3470, 23622), (3810, 21514), (3937, 20820), (4164, 19685), (5205, 15748), (6940, 11811), (7620, 10757), (7874, 10410)]