87114880

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1821

約数の個数: 64

約数和(自身を含む): 211017600

約数和(自身を除く): 123902720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 1723, 2528, 3160, 3446, 5056, 6320, 6892, 8615, 10112, 12640, 13784, 17230, 25280, 27568, 34460, 50560, 55136, 68920, 110272, 136117, 137840, 220544, 272234, 275680, 544468, 551360, 680585, 1088936, 1102720, 1361170, 2177872, 2722340, 4355744, 5444680, 8711488, 10889360, 17422976, 21778720, 43557440, 87114880]

約数ペア:

[(1, 87114880), (2, 43557440), (4, 21778720), (5, 17422976), (8, 10889360), (10, 8711488), (16, 5444680), (20, 4355744), (32, 2722340), (40, 2177872), (64, 1361170), (79, 1102720), (80, 1088936), (128, 680585), (158, 551360), (160, 544468), (316, 275680), (320, 272234), (395, 220544), (632, 137840), (640, 136117), (790, 110272), (1264, 68920), (1580, 55136), (1723, 50560), (2528, 34460), (3160, 27568), (3446, 25280), (5056, 17230), (6320, 13784), (6892, 12640), (8615, 10112)]