61515840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 112

約数和(自身を含む): 197144640

約数和(自身を除く): 135628800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 240, 278, 320, 417, 461, 480, 556, 695, 834, 922, 960, 1112, 1383, 1390, 1668, 1844, 2085, 2224, 2305, 2766, 2780, 3336, 3688, 4170, 4448, 4610, 5532, 5560, 6672, 6915, 7376, 8340, 8896, 9220, 11064, 11120, 13344, 13830, 14752, 16680, 18440, 22128, 22240, 26688, 27660, 29504, 33360, 36880, 44256, 44480, 55320, 64079, 66720, 73760, 88512, 110640, 128158, 133440, 147520, 192237, 221280, 256316, 320395, 384474, 442560, 512632, 640790, 768948, 961185, 1025264, 1281580, 1537896, 1922370, 2050528, 2563160, 3075792, 3844740, 4101056, 5126320, 6151584, 7689480, 10252640, 12303168, 15378960, 20505280, 30757920, 61515840]

約数ペア:

[(1, 61515840), (2, 30757920), (3, 20505280), (4, 15378960), (5, 12303168), (6, 10252640), (8, 7689480), (10, 6151584), (12, 5126320), (15, 4101056), (16, 3844740), (20, 3075792), (24, 2563160), (30, 2050528), (32, 1922370), (40, 1537896), (48, 1281580), (60, 1025264), (64, 961185), (80, 768948), (96, 640790), (120, 512632), (139, 442560), (160, 384474), (192, 320395), (240, 256316), (278, 221280), (320, 192237), (417, 147520), (461, 133440), (480, 128158), (556, 110640), (695, 88512), (834, 73760), (922, 66720), (960, 64079), (1112, 55320), (1383, 44480), (1390, 44256), (1668, 36880), (1844, 33360), (2085, 29504), (2224, 27660), (2305, 26688), (2766, 22240), (2780, 22128), (3336, 18440), (3688, 16680), (4170, 14752), (4448, 13830), (4610, 13344), (5532, 11120), (5560, 11064), (6672, 9220), (6915, 8896), (7376, 8340)]