12279760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 30355200

約数和(自身を除く): 18075440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 67, 79, 80, 116, 134, 145, 158, 232, 268, 290, 316, 335, 395, 464, 536, 580, 632, 670, 790, 1072, 1160, 1264, 1340, 1580, 1943, 2291, 2320, 2680, 3160, 3886, 4582, 5293, 5360, 6320, 7772, 9164, 9715, 10586, 11455, 15544, 18328, 19430, 21172, 22910, 26465, 31088, 36656, 38860, 42344, 45820, 52930, 77720, 84688, 91640, 105860, 153497, 155440, 183280, 211720, 306994, 423440, 613988, 767485, 1227976, 1534970, 2455952, 3069940, 6139880, 12279760]

約数ペア:

[(1, 12279760), (2, 6139880), (4, 3069940), (5, 2455952), (8, 1534970), (10, 1227976), (16, 767485), (20, 613988), (29, 423440), (40, 306994), (58, 211720), (67, 183280), (79, 155440), (80, 153497), (116, 105860), (134, 91640), (145, 84688), (158, 77720), (232, 52930), (268, 45820), (290, 42344), (316, 38860), (335, 36656), (395, 31088), (464, 26465), (536, 22910), (580, 21172), (632, 19430), (670, 18328), (790, 15544), (1072, 11455), (1160, 10586), (1264, 9715), (1340, 9164), (1580, 7772), (1943, 6320), (2291, 5360), (2320, 5293), (2680, 4582), (3160, 3886)]