198915120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1091

約数の個数: 120

約数和(自身を含む): 670617792

約数和(自身を除く): 471702672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 431, 641, 720, 862, 1282, 1293, 1724, 1923, 2155, 2564, 2586, 3205, 3448, 3846, 3879, 4310, 5128, 5172, 5769, 6410, 6465, 6896, 7692, 7758, 8620, 9615, 10256, 10344, 11538, 12820, 12930, 15384, 15516, 17240, 19230, 19395, 20688, 23076, 25640, 25860, 28845, 30768, 31032, 34480, 38460, 38790, 46152, 51280, 51720, 57690, 62064, 76920, 77580, 92304, 103440, 115380, 153840, 155160, 230760, 276271, 310320, 461520, 552542, 828813, 1105084, 1381355, 1657626, 2210168, 2486439, 2762710, 3315252, 4144065, 4420336, 4972878, 5525420, 6630504, 8288130, 9945756, 11050840, 12432195, 13261008, 16576260, 19891512, 22101680, 24864390, 33152520, 39783024, 49728780, 66305040, 99457560, 198915120]

約数ペア:

[(1, 198915120), (2, 99457560), (3, 66305040), (4, 49728780), (5, 39783024), (6, 33152520), (8, 24864390), (9, 22101680), (10, 19891512), (12, 16576260), (15, 13261008), (16, 12432195), (18, 11050840), (20, 9945756), (24, 8288130), (30, 6630504), (36, 5525420), (40, 4972878), (45, 4420336), (48, 4144065), (60, 3315252), (72, 2762710), (80, 2486439), (90, 2210168), (120, 1657626), (144, 1381355), (180, 1105084), (240, 828813), (360, 552542), (431, 461520), (641, 310320), (720, 276271), (862, 230760), (1282, 155160), (1293, 153840), (1724, 115380), (1923, 103440), (2155, 92304), (2564, 77580), (2586, 76920), (3205, 62064), (3448, 57690), (3846, 51720), (3879, 51280), (4310, 46152), (5128, 38790), (5172, 38460), (5769, 34480), (6410, 31032), (6465, 30768), (6896, 28845), (7692, 25860), (7758, 25640), (8620, 23076), (9615, 20688), (10256, 19395), (10344, 19230), (11538, 17240), (12820, 15516), (12930, 15384)]