128428704

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{15377}}^1$

素因数の和:15422

約数の個数: 72

約数和(自身を含む): 377837460

約数和(自身を除く): 249408756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2784, 4176, 8352, 15377, 30754, 46131, 61508, 92262, 123016, 138393, 184524, 246032, 276786, 369048, 445933, 492064, 553572, 738096, 891866, 1107144, 1337799, 1476192, 1783732, 2214288, 2675598, 3567464, 4013397, 4428576, 5351196, 7134928, 8026794, 10702392, 14269856, 16053588, 21404784, 32107176, 42809568, 64214352, 128428704]

約数ペア:

[(1, 128428704), (2, 64214352), (3, 42809568), (4, 32107176), (6, 21404784), (8, 16053588), (9, 14269856), (12, 10702392), (16, 8026794), (18, 7134928), (24, 5351196), (29, 4428576), (32, 4013397), (36, 3567464), (48, 2675598), (58, 2214288), (72, 1783732), (87, 1476192), (96, 1337799), (116, 1107144), (144, 891866), (174, 738096), (232, 553572), (261, 492064), (288, 445933), (348, 369048), (464, 276786), (522, 246032), (696, 184524), (928, 138393), (1044, 123016), (1392, 92262), (2088, 61508), (2784, 46131), (4176, 30754), (8352, 15377)]