90487040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{10099}}^1$

素因数の和:10127

約数の個数: 72

約数和(自身を含む): 247732800

約数和(自身を除く): 157245760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 10099, 20198, 40396, 50495, 70693, 80792, 100990, 141386, 161584, 201980, 282772, 323168, 353465, 403960, 565544, 646336, 706930, 807920, 1131088, 1292672, 1413860, 1615840, 2262176, 2585344, 2827720, 3231680, 4524352, 5655440, 6463360, 9048704, 11310880, 12926720, 18097408, 22621760, 45243520, 90487040]

約数ペア:

[(1, 90487040), (2, 45243520), (4, 22621760), (5, 18097408), (7, 12926720), (8, 11310880), (10, 9048704), (14, 6463360), (16, 5655440), (20, 4524352), (28, 3231680), (32, 2827720), (35, 2585344), (40, 2262176), (56, 1615840), (64, 1413860), (70, 1292672), (80, 1131088), (112, 807920), (128, 706930), (140, 646336), (160, 565544), (224, 403960), (256, 353465), (280, 323168), (320, 282772), (448, 201980), (560, 161584), (640, 141386), (896, 100990), (1120, 80792), (1280, 70693), (1792, 50495), (2240, 40396), (4480, 20198), (8960, 10099)]