71123920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 207415296

約数和(自身を除く): 136291376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 170, 217, 238, 241, 248, 272, 280, 310, 340, 434, 476, 482, 496, 527, 560, 595, 620, 680, 868, 952, 964, 1054, 1085, 1190, 1205, 1240, 1360, 1687, 1736, 1904, 1928, 2108, 2170, 2380, 2410, 2480, 2635, 3374, 3472, 3689, 3856, 4097, 4216, 4340, 4760, 4820, 5270, 6748, 7378, 7471, 8194, 8432, 8435, 8680, 9520, 9640, 10540, 13496, 14756, 14942, 16388, 16870, 17360, 18445, 19280, 20485, 21080, 26992, 28679, 29512, 29884, 32776, 33740, 36890, 37355, 40970, 42160, 52297, 57358, 59024, 59768, 65552, 67480, 73780, 74710, 81940, 104594, 114716, 119536, 127007, 134960, 143395, 147560, 149420, 163880, 209188, 229432, 254014, 261485, 286790, 295120, 298840, 327760, 418376, 458864, 508028, 522970, 573580, 597680, 635035, 836752, 889049, 1016056, 1045940, 1147160, 1270070, 1778098, 2032112, 2091880, 2294320, 2540140, 3556196, 4183760, 4445245, 5080280, 7112392, 8890490, 10160560, 14224784, 17780980, 35561960, 71123920]

約数ペア:

[(1, 71123920), (2, 35561960), (4, 17780980), (5, 14224784), (7, 10160560), (8, 8890490), (10, 7112392), (14, 5080280), (16, 4445245), (17, 4183760), (20, 3556196), (28, 2540140), (31, 2294320), (34, 2091880), (35, 2032112), (40, 1778098), (56, 1270070), (62, 1147160), (68, 1045940), (70, 1016056), (80, 889049), (85, 836752), (112, 635035), (119, 597680), (124, 573580), (136, 522970), (140, 508028), (155, 458864), (170, 418376), (217, 327760), (238, 298840), (241, 295120), (248, 286790), (272, 261485), (280, 254014), (310, 229432), (340, 209188), (434, 163880), (476, 149420), (482, 147560), (496, 143395), (527, 134960), (560, 127007), (595, 119536), (620, 114716), (680, 104594), (868, 81940), (952, 74710), (964, 73780), (1054, 67480), (1085, 65552), (1190, 59768), (1205, 59024), (1240, 57358), (1360, 52297), (1687, 42160), (1736, 40970), (1904, 37355), (1928, 36890), (2108, 33740), (2170, 32776), (2380, 29884), (2410, 29512), (2480, 28679), (2635, 26992), (3374, 21080), (3472, 20485), (3689, 19280), (3856, 18445), (4097, 17360), (4216, 16870), (4340, 16388), (4760, 14942), (4820, 14756), (5270, 13496), (6748, 10540), (7378, 9640), (7471, 9520), (8194, 8680), (8432, 8435)]