12617920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 35405568

約数和(自身を除く): 22787648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 131, 140, 160, 172, 215, 224, 262, 280, 301, 320, 344, 430, 448, 524, 560, 602, 655, 688, 860, 917, 1048, 1120, 1204, 1310, 1376, 1505, 1720, 1834, 2096, 2240, 2408, 2620, 2752, 3010, 3440, 3668, 4192, 4585, 4816, 5240, 5633, 6020, 6880, 7336, 8384, 9170, 9632, 10480, 11266, 12040, 13760, 14672, 18340, 19264, 20960, 22532, 24080, 28165, 29344, 36680, 39431, 41920, 45064, 48160, 56330, 58688, 73360, 78862, 90128, 96320, 112660, 146720, 157724, 180256, 197155, 225320, 293440, 315448, 360512, 394310, 450640, 630896, 788620, 901280, 1261792, 1577240, 1802560, 2523584, 3154480, 6308960, 12617920]

約数ペア:

[(1, 12617920), (2, 6308960), (4, 3154480), (5, 2523584), (7, 1802560), (8, 1577240), (10, 1261792), (14, 901280), (16, 788620), (20, 630896), (28, 450640), (32, 394310), (35, 360512), (40, 315448), (43, 293440), (56, 225320), (64, 197155), (70, 180256), (80, 157724), (86, 146720), (112, 112660), (131, 96320), (140, 90128), (160, 78862), (172, 73360), (215, 58688), (224, 56330), (262, 48160), (280, 45064), (301, 41920), (320, 39431), (344, 36680), (430, 29344), (448, 28165), (524, 24080), (560, 22532), (602, 20960), (655, 19264), (688, 18340), (860, 14672), (917, 13760), (1048, 12040), (1120, 11266), (1204, 10480), (1310, 9632), (1376, 9170), (1505, 8384), (1720, 7336), (1834, 6880), (2096, 6020), (2240, 5633), (2408, 5240), (2620, 4816), (2752, 4585), (3010, 4192), (3440, 3668)]