31274240

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 76490568

約数和(自身を除く): 45216328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 461, 530, 640, 848, 922, 1060, 1280, 1696, 1844, 2120, 2305, 3392, 3688, 4240, 4610, 6784, 7376, 8480, 9220, 13568, 14752, 16960, 18440, 24433, 29504, 33920, 36880, 48866, 59008, 67840, 73760, 97732, 118016, 122165, 147520, 195464, 244330, 295040, 390928, 488660, 590080, 781856, 977320, 1563712, 1954640, 3127424, 3909280, 6254848, 7818560, 15637120, 31274240]

約数ペア:

[(1, 31274240), (2, 15637120), (4, 7818560), (5, 6254848), (8, 3909280), (10, 3127424), (16, 1954640), (20, 1563712), (32, 977320), (40, 781856), (53, 590080), (64, 488660), (80, 390928), (106, 295040), (128, 244330), (160, 195464), (212, 147520), (256, 122165), (265, 118016), (320, 97732), (424, 73760), (461, 67840), (530, 59008), (640, 48866), (848, 36880), (922, 33920), (1060, 29504), (1280, 24433), (1696, 18440), (1844, 16960), (2120, 14752), (2305, 13568), (3392, 9220), (3688, 8480), (4240, 7376), (4610, 6784)]