155584288

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 327608064

約数和(自身を除く): 172023776

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 71, 94, 124, 142, 188, 248, 284, 376, 496, 568, 752, 992, 1136, 1457, 1504, 2201, 2209, 2272, 2914, 3337, 4402, 4418, 5828, 6674, 8804, 8836, 11656, 13348, 17608, 17672, 23312, 26696, 35216, 35344, 46624, 53392, 68479, 70432, 70688, 103447, 106784, 136958, 156839, 206894, 273916, 313678, 413788, 547832, 627356, 827576, 1095664, 1254712, 1655152, 2191328, 2509424, 3310304, 4862009, 5018848, 9724018, 19448036, 38896072, 77792144, 155584288]

約数ペア:

[(1, 155584288), (2, 77792144), (4, 38896072), (8, 19448036), (16, 9724018), (31, 5018848), (32, 4862009), (47, 3310304), (62, 2509424), (71, 2191328), (94, 1655152), (124, 1254712), (142, 1095664), (188, 827576), (248, 627356), (284, 547832), (376, 413788), (496, 313678), (568, 273916), (752, 206894), (992, 156839), (1136, 136958), (1457, 106784), (1504, 103447), (2201, 70688), (2209, 70432), (2272, 68479), (2914, 53392), (3337, 46624), (4402, 35344), (4418, 35216), (5828, 26696), (6674, 23312), (8804, 17672), (8836, 17608), (11656, 13348)]