61788780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1499}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 188370000

約数和(自身を除く): 126581220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 1499, 2061, 2290, 2748, 2998, 3435, 4122, 4497, 4580, 5996, 6870, 7495, 8244, 8994, 10305, 13491, 13740, 14990, 17988, 20610, 22485, 26982, 29980, 41220, 44970, 53964, 67455, 89940, 134910, 269820, 343271, 686542, 1029813, 1373084, 1716355, 2059626, 3089439, 3432710, 4119252, 5149065, 6178878, 6865420, 10298130, 12357756, 15447195, 20596260, 30894390, 61788780]

約数ペア:

[(1, 61788780), (2, 30894390), (3, 20596260), (4, 15447195), (5, 12357756), (6, 10298130), (9, 6865420), (10, 6178878), (12, 5149065), (15, 4119252), (18, 3432710), (20, 3089439), (30, 2059626), (36, 1716355), (45, 1373084), (60, 1029813), (90, 686542), (180, 343271), (229, 269820), (458, 134910), (687, 89940), (916, 67455), (1145, 53964), (1374, 44970), (1499, 41220), (2061, 29980), (2290, 26982), (2748, 22485), (2998, 20610), (3435, 17988), (4122, 14990), (4497, 13740), (4580, 13491), (5996, 10305), (6870, 8994), (7495, 8244)]