87674720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 246658608

約数和(自身を除く): 158983888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 160, 196, 211, 212, 224, 245, 265, 280, 371, 392, 422, 424, 490, 530, 560, 742, 784, 844, 848, 980, 1055, 1060, 1120, 1477, 1484, 1568, 1688, 1696, 1855, 1960, 2110, 2120, 2597, 2954, 2968, 3376, 3710, 3920, 4220, 4240, 5194, 5908, 5936, 6752, 7385, 7420, 7840, 8440, 8480, 10339, 10388, 11183, 11816, 11872, 12985, 14770, 14840, 16880, 20678, 20776, 22366, 23632, 25970, 29540, 29680, 33760, 41356, 41552, 44732, 47264, 51695, 51940, 55915, 59080, 59360, 78281, 82712, 83104, 89464, 103390, 103880, 111830, 118160, 156562, 165424, 178928, 206780, 207760, 223660, 236320, 313124, 330848, 357856, 391405, 413560, 415520, 447320, 547967, 626248, 782810, 827120, 894640, 1095934, 1252496, 1565620, 1654240, 1789280, 2191868, 2504992, 2739835, 3131240, 4383736, 5479670, 6262480, 8767472, 10959340, 12524960, 17534944, 21918680, 43837360, 87674720]

約数ペア:

[(1, 87674720), (2, 43837360), (4, 21918680), (5, 17534944), (7, 12524960), (8, 10959340), (10, 8767472), (14, 6262480), (16, 5479670), (20, 4383736), (28, 3131240), (32, 2739835), (35, 2504992), (40, 2191868), (49, 1789280), (53, 1654240), (56, 1565620), (70, 1252496), (80, 1095934), (98, 894640), (106, 827120), (112, 782810), (140, 626248), (160, 547967), (196, 447320), (211, 415520), (212, 413560), (224, 391405), (245, 357856), (265, 330848), (280, 313124), (371, 236320), (392, 223660), (422, 207760), (424, 206780), (490, 178928), (530, 165424), (560, 156562), (742, 118160), (784, 111830), (844, 103880), (848, 103390), (980, 89464), (1055, 83104), (1060, 82712), (1120, 78281), (1477, 59360), (1484, 59080), (1568, 55915), (1688, 51940), (1696, 51695), (1855, 47264), (1960, 44732), (2110, 41552), (2120, 41356), (2597, 33760), (2954, 29680), (2968, 29540), (3376, 25970), (3710, 23632), (3920, 22366), (4220, 20776), (4240, 20678), (5194, 16880), (5908, 14840), (5936, 14770), (6752, 12985), (7385, 11872), (7420, 11816), (7840, 11183), (8440, 10388), (8480, 10339)]