31575420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 101818080

約数和(自身を除く): 70242660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 89, 90, 108, 135, 146, 162, 178, 180, 219, 243, 267, 270, 292, 324, 356, 365, 405, 438, 445, 486, 534, 540, 657, 730, 801, 810, 876, 890, 972, 1068, 1095, 1215, 1314, 1335, 1460, 1602, 1620, 1780, 1971, 2190, 2403, 2430, 2628, 2670, 3204, 3285, 3942, 4005, 4380, 4806, 4860, 5340, 5913, 6497, 6570, 7209, 7884, 8010, 9612, 9855, 11826, 12015, 12994, 13140, 14418, 16020, 17739, 19491, 19710, 21627, 23652, 24030, 25988, 28836, 29565, 32485, 35478, 36045, 38982, 39420, 43254, 48060, 58473, 59130, 64970, 70956, 72090, 77964, 86508, 88695, 97455, 108135, 116946, 118260, 129940, 144180, 175419, 177390, 194910, 216270, 233892, 292365, 350838, 354780, 389820, 432540, 526257, 584730, 701676, 877095, 1052514, 1169460, 1578771, 1754190, 2105028, 2631285, 3157542, 3508380, 5262570, 6315084, 7893855, 10525140, 15787710, 31575420]

約数ペア:

[(1, 31575420), (2, 15787710), (3, 10525140), (4, 7893855), (5, 6315084), (6, 5262570), (9, 3508380), (10, 3157542), (12, 2631285), (15, 2105028), (18, 1754190), (20, 1578771), (27, 1169460), (30, 1052514), (36, 877095), (45, 701676), (54, 584730), (60, 526257), (73, 432540), (81, 389820), (89, 354780), (90, 350838), (108, 292365), (135, 233892), (146, 216270), (162, 194910), (178, 177390), (180, 175419), (219, 144180), (243, 129940), (267, 118260), (270, 116946), (292, 108135), (324, 97455), (356, 88695), (365, 86508), (405, 77964), (438, 72090), (445, 70956), (486, 64970), (534, 59130), (540, 58473), (657, 48060), (730, 43254), (801, 39420), (810, 38982), (876, 36045), (890, 35478), (972, 32485), (1068, 29565), (1095, 28836), (1215, 25988), (1314, 24030), (1335, 23652), (1460, 21627), (1602, 19710), (1620, 19491), (1780, 17739), (1971, 16020), (2190, 14418), (2403, 13140), (2430, 12994), (2628, 12015), (2670, 11826), (3204, 9855), (3285, 9612), (3942, 8010), (4005, 7884), (4380, 7209), (4806, 6570), (4860, 6497), (5340, 5913)]