81638136

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:833

約数の個数: 96

約数和(自身を含む): 235872000

約数和(自身を除く): 154233864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 83, 114, 152, 166, 171, 228, 249, 332, 342, 456, 498, 664, 684, 719, 747, 996, 1368, 1438, 1494, 1577, 1992, 2157, 2876, 2988, 3154, 4314, 4731, 5752, 5976, 6308, 6471, 8628, 9462, 12616, 12942, 13661, 14193, 17256, 18924, 25884, 27322, 28386, 37848, 40983, 51768, 54644, 56772, 59677, 81966, 109288, 113544, 119354, 122949, 163932, 179031, 238708, 245898, 327864, 358062, 477416, 491796, 537093, 716124, 983592, 1074186, 1133863, 1432248, 2148372, 2267726, 3401589, 4296744, 4535452, 6803178, 9070904, 10204767, 13606356, 20409534, 27212712, 40819068, 81638136]

約数ペア:

[(1, 81638136), (2, 40819068), (3, 27212712), (4, 20409534), (6, 13606356), (8, 10204767), (9, 9070904), (12, 6803178), (18, 4535452), (19, 4296744), (24, 3401589), (36, 2267726), (38, 2148372), (57, 1432248), (72, 1133863), (76, 1074186), (83, 983592), (114, 716124), (152, 537093), (166, 491796), (171, 477416), (228, 358062), (249, 327864), (332, 245898), (342, 238708), (456, 179031), (498, 163932), (664, 122949), (684, 119354), (719, 113544), (747, 109288), (996, 81966), (1368, 59677), (1438, 56772), (1494, 54644), (1577, 51768), (1992, 40983), (2157, 37848), (2876, 28386), (2988, 27322), (3154, 25884), (4314, 18924), (4731, 17256), (5752, 14193), (5976, 13661), (6308, 12942), (6471, 12616), (8628, 9462)]