121718340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16493}}^1$

素因数の和:16549

約数の個数: 72

約数和(自身を含む): 378240408

約数和(自身を除く): 256522068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 16493, 32986, 49479, 65972, 82465, 98958, 148437, 164930, 197916, 247395, 296874, 329860, 494790, 593748, 676213, 742185, 989580, 1352426, 1484370, 2028639, 2704852, 2968740, 3381065, 4057278, 6085917, 6762130, 8114556, 10143195, 12171834, 13524260, 20286390, 24343668, 30429585, 40572780, 60859170, 121718340]

約数ペア:

[(1, 121718340), (2, 60859170), (3, 40572780), (4, 30429585), (5, 24343668), (6, 20286390), (9, 13524260), (10, 12171834), (12, 10143195), (15, 8114556), (18, 6762130), (20, 6085917), (30, 4057278), (36, 3381065), (41, 2968740), (45, 2704852), (60, 2028639), (82, 1484370), (90, 1352426), (123, 989580), (164, 742185), (180, 676213), (205, 593748), (246, 494790), (369, 329860), (410, 296874), (492, 247395), (615, 197916), (738, 164930), (820, 148437), (1230, 98958), (1476, 82465), (1845, 65972), (2460, 49479), (3690, 32986), (7380, 16493)]