243455680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1434

約数の個数: 112

約数和(自身を含む): 639311904

約数和(自身を除く): 395856224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 320, 344, 416, 430, 520, 559, 688, 832, 860, 1040, 1118, 1361, 1376, 1720, 2080, 2236, 2722, 2752, 2795, 3440, 4160, 4472, 5444, 5590, 6805, 6880, 8944, 10888, 11180, 13610, 13760, 17693, 17888, 21776, 22360, 27220, 35386, 35776, 43552, 44720, 54440, 58523, 70772, 87104, 88465, 89440, 108880, 117046, 141544, 176930, 178880, 217760, 234092, 283088, 292615, 353860, 435520, 468184, 566176, 585230, 707720, 760799, 936368, 1132352, 1170460, 1415440, 1521598, 1872736, 2340920, 2830880, 3043196, 3745472, 3803995, 4681840, 5661760, 6086392, 7607990, 9363680, 12172784, 15215980, 18727360, 24345568, 30431960, 48691136, 60863920, 121727840, 243455680]

約数ペア:

[(1, 243455680), (2, 121727840), (4, 60863920), (5, 48691136), (8, 30431960), (10, 24345568), (13, 18727360), (16, 15215980), (20, 12172784), (26, 9363680), (32, 7607990), (40, 6086392), (43, 5661760), (52, 4681840), (64, 3803995), (65, 3745472), (80, 3043196), (86, 2830880), (104, 2340920), (130, 1872736), (160, 1521598), (172, 1415440), (208, 1170460), (215, 1132352), (260, 936368), (320, 760799), (344, 707720), (416, 585230), (430, 566176), (520, 468184), (559, 435520), (688, 353860), (832, 292615), (860, 283088), (1040, 234092), (1118, 217760), (1361, 178880), (1376, 176930), (1720, 141544), (2080, 117046), (2236, 108880), (2722, 89440), (2752, 88465), (2795, 87104), (3440, 70772), (4160, 58523), (4472, 54440), (5444, 44720), (5590, 43552), (6805, 35776), (6880, 35386), (8944, 27220), (10888, 22360), (11180, 21776), (13610, 17888), (13760, 17693)]