15301720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 41327280

約数和(自身を除く): 26025560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 211, 245, 259, 280, 296, 370, 392, 422, 490, 518, 740, 844, 980, 1036, 1055, 1295, 1477, 1480, 1688, 1813, 1960, 2072, 2110, 2590, 2954, 3626, 4220, 5180, 5908, 7252, 7385, 7807, 8440, 9065, 10339, 10360, 11816, 14504, 14770, 15614, 18130, 20678, 29540, 31228, 36260, 39035, 41356, 51695, 54649, 59080, 62456, 72520, 78070, 82712, 103390, 109298, 156140, 206780, 218596, 273245, 312280, 382543, 413560, 437192, 546490, 765086, 1092980, 1530172, 1912715, 2185960, 3060344, 3825430, 7650860, 15301720]

約数ペア:

[(1, 15301720), (2, 7650860), (4, 3825430), (5, 3060344), (7, 2185960), (8, 1912715), (10, 1530172), (14, 1092980), (20, 765086), (28, 546490), (35, 437192), (37, 413560), (40, 382543), (49, 312280), (56, 273245), (70, 218596), (74, 206780), (98, 156140), (140, 109298), (148, 103390), (185, 82712), (196, 78070), (211, 72520), (245, 62456), (259, 59080), (280, 54649), (296, 51695), (370, 41356), (392, 39035), (422, 36260), (490, 31228), (518, 29540), (740, 20678), (844, 18130), (980, 15614), (1036, 14770), (1055, 14504), (1295, 11816), (1477, 10360), (1480, 10339), (1688, 9065), (1813, 8440), (1960, 7807), (2072, 7385), (2110, 7252), (2590, 5908), (2954, 5180), (3626, 4220)]