12409280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 112

約数和(自身を含む): 33710880

約数和(自身を除く): 21301600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 157, 160, 190, 208, 247, 260, 304, 314, 320, 380, 416, 494, 520, 608, 628, 760, 785, 832, 988, 1040, 1216, 1235, 1256, 1520, 1570, 1976, 2041, 2080, 2470, 2512, 2983, 3040, 3140, 3952, 4082, 4160, 4940, 5024, 5966, 6080, 6280, 7904, 8164, 9880, 10048, 10205, 11932, 12560, 14915, 15808, 16328, 19760, 20410, 23864, 25120, 29830, 32656, 38779, 39520, 40820, 47728, 50240, 59660, 65312, 77558, 79040, 81640, 95456, 119320, 130624, 155116, 163280, 190912, 193895, 238640, 310232, 326560, 387790, 477280, 620464, 653120, 775580, 954560, 1240928, 1551160, 2481856, 3102320, 6204640, 12409280]

約数ペア:

[(1, 12409280), (2, 6204640), (4, 3102320), (5, 2481856), (8, 1551160), (10, 1240928), (13, 954560), (16, 775580), (19, 653120), (20, 620464), (26, 477280), (32, 387790), (38, 326560), (40, 310232), (52, 238640), (64, 193895), (65, 190912), (76, 163280), (80, 155116), (95, 130624), (104, 119320), (130, 95456), (152, 81640), (157, 79040), (160, 77558), (190, 65312), (208, 59660), (247, 50240), (260, 47728), (304, 40820), (314, 39520), (320, 38779), (380, 32656), (416, 29830), (494, 25120), (520, 23864), (608, 20410), (628, 19760), (760, 16328), (785, 15808), (832, 14915), (988, 12560), (1040, 11932), (1216, 10205), (1235, 10048), (1256, 9880), (1520, 8164), (1570, 7904), (1976, 6280), (2041, 6080), (2080, 5966), (2470, 5024), (2512, 4940), (2983, 4160), (3040, 4082), (3140, 3952)]