18136884920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{37507}}^1$

素因数の和:37693

約数の個数: 128

約数和(自身を含む): 51202920960

約数和(自身を除く): 33066036040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 157, 220, 280, 308, 314, 385, 440, 616, 628, 770, 785, 1099, 1256, 1540, 1570, 1727, 2198, 3080, 3140, 3454, 4396, 5495, 6280, 6908, 8635, 8792, 10990, 12089, 13816, 17270, 21980, 24178, 34540, 37507, 43960, 48356, 60445, 69080, 75014, 96712, 120890, 150028, 187535, 241780, 262549, 300056, 375070, 412577, 483560, 525098, 750140, 825154, 1050196, 1312745, 1500280, 1650308, 2062885, 2100392, 2625490, 2888039, 3300616, 4125770, 5250980, 5776078, 5888599, 8251540, 10501960, 11552156, 11777198, 14440195, 16503080, 23104312, 23554396, 28880390, 29442995, 41220193, 47108792, 57760780, 58885990, 64774589, 82440386, 115521560, 117771980, 129549178, 164880772, 206100965, 235543960, 259098356, 323872945, 329761544, 412201930, 453422123, 518196712, 647745890, 824403860, 906844246, 1295491780, 1648807720, 1813688492, 2267110615, 2590983560, 3627376984, 4534221230, 9068442460, 18136884920]

約数ペア:

[(1, 18136884920), (2, 9068442460), (4, 4534221230), (5, 3627376984), (7, 2590983560), (8, 2267110615), (10, 1813688492), (11, 1648807720), (14, 1295491780), (20, 906844246), (22, 824403860), (28, 647745890), (35, 518196712), (40, 453422123), (44, 412201930), (55, 329761544), (56, 323872945), (70, 259098356), (77, 235543960), (88, 206100965), (110, 164880772), (140, 129549178), (154, 117771980), (157, 115521560), (220, 82440386), (280, 64774589), (308, 58885990), (314, 57760780), (385, 47108792), (440, 41220193), (616, 29442995), (628, 28880390), (770, 23554396), (785, 23104312), (1099, 16503080), (1256, 14440195), (1540, 11777198), (1570, 11552156), (1727, 10501960), (2198, 8251540), (3080, 5888599), (3140, 5776078), (3454, 5250980), (4396, 4125770), (5495, 3300616), (6280, 2888039), (6908, 2625490), (8635, 2100392), (8792, 2062885), (10990, 1650308), (12089, 1500280), (13816, 1312745), (17270, 1050196), (21980, 825154), (24178, 750140), (34540, 525098), (37507, 483560), (43960, 412577), (48356, 375070), (60445, 300056), (69080, 262549), (75014, 241780), (96712, 187535), (120890, 150028)]