69891640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 199023480

約数和(自身を除く): 129131840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 169, 182, 196, 211, 245, 260, 280, 338, 364, 392, 422, 455, 490, 520, 637, 676, 728, 844, 845, 910, 980, 1055, 1183, 1274, 1352, 1477, 1688, 1690, 1820, 1960, 2110, 2366, 2548, 2743, 2954, 3185, 3380, 3640, 4220, 4732, 5096, 5486, 5908, 5915, 6370, 6760, 7385, 8281, 8440, 9464, 10339, 10972, 11816, 11830, 12740, 13715, 14770, 16562, 19201, 20678, 21944, 23660, 25480, 27430, 29540, 33124, 35659, 38402, 41356, 41405, 47320, 51695, 54860, 59080, 66248, 71318, 76804, 82712, 82810, 96005, 103390, 109720, 134407, 142636, 153608, 165620, 178295, 192010, 206780, 249613, 268814, 285272, 331240, 356590, 384020, 413560, 499226, 537628, 672035, 713180, 768040, 998452, 1075256, 1248065, 1344070, 1426360, 1747291, 1996904, 2496130, 2688140, 3494582, 4992260, 5376280, 6989164, 8736455, 9984520, 13978328, 17472910, 34945820, 69891640]

約数ペア:

[(1, 69891640), (2, 34945820), (4, 17472910), (5, 13978328), (7, 9984520), (8, 8736455), (10, 6989164), (13, 5376280), (14, 4992260), (20, 3494582), (26, 2688140), (28, 2496130), (35, 1996904), (40, 1747291), (49, 1426360), (52, 1344070), (56, 1248065), (65, 1075256), (70, 998452), (91, 768040), (98, 713180), (104, 672035), (130, 537628), (140, 499226), (169, 413560), (182, 384020), (196, 356590), (211, 331240), (245, 285272), (260, 268814), (280, 249613), (338, 206780), (364, 192010), (392, 178295), (422, 165620), (455, 153608), (490, 142636), (520, 134407), (637, 109720), (676, 103390), (728, 96005), (844, 82810), (845, 82712), (910, 76804), (980, 71318), (1055, 66248), (1183, 59080), (1274, 54860), (1352, 51695), (1477, 47320), (1688, 41405), (1690, 41356), (1820, 38402), (1960, 35659), (2110, 33124), (2366, 29540), (2548, 27430), (2743, 25480), (2954, 23660), (3185, 21944), (3380, 20678), (3640, 19201), (4220, 16562), (4732, 14770), (5096, 13715), (5486, 12740), (5908, 11830), (5915, 11816), (6370, 10972), (6760, 10339), (7385, 9464), (8281, 8440)]